how to subtract mixed numbers in simplest form?
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['Convert the mixed numbers to improper fractions.', 'Use the algebraic formula for subtraction of fractions: a/b - c/d = (ad - bc) / bd.', 'Reduce fractions and simplify if possible.']
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When adding negative numbers, count to the left. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.
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To subtract binary numbers, simply align the 2 numbers and subtract as you would a regular problem. To subtract with the complement method, align the numbers and, if necessary, add zeros to the front of the second number to give it has an equal amount of digits.
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For simple formulas, simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use — the plus sign (+) to add, the minus sign (-) to subtract, the asterisk (*) to multiply, and the forward slash (/) to divide.
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Subtract numbers in a cell To do simple subtraction, use the - (minus sign) arithmetic operator. For example, if you enter the formula =10-5 into a cell, the cell will display 5 as the result.
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Just take the absolute value of their difference, then, if larger than 180, substract 360° and take the absolute value of the result. If the direction doesn't matter (you want the one that yields the smallest value), then do the reverse subtraction (mod 360) and calculate the smallest value of the two (e.g. with Math.
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Subtract two or more numbers in a cell Click any blank cell, and then type an equal sign (=) to start a formula. After the equal sign, type a few numbers that are separated by a minus sign (-).
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Rule 3: Subtracting a negative number from a negative number—when you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you are adding a positive. So, – -5 becomes +5, and continue normally with the addition.
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['When adding positive numbers, count to the right.', 'When adding negative numbers, count to the left.', 'When subtracting positive numbers, count to the left.', 'When subtracting negative numbers, count to the right.']
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Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive.
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Rule 4: Subtracting a negative number from a positive number—when you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you're adding a positive, so you have a simple addition problem.
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Subtract the values in a range by using a function =SUM(29072,-12335) =SUM(A2,-A3) =SUM(A2,-12335) =SUM(A2,(-1*(A3)))
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["If the second number is bigger than the first, swap them around and write a big minus sign somewhere you won't miss it. ... ", 'Write down your numbers with the bigger one above the smaller one. ... ', 'Starting from the left, compare the lower digit with the upper one.']
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['Find the least common denominator.', 'Make equivalent fractions using the LCD.', 'Add or subtract the numerators.', 'Simplify the result if necessary.']
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When subtracting a larger number from a smaller number, remember the words switch and negate. That is, switch the order of the two numbers and do the subtraction as you normally would, but at the end negate the result by attaching a minus sign.
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['Subtraction of a number is equivalent to adding its negative. That is: x − y = x + (−y) for any numbers x and y.', 'Subtracting a negative number is equivalent to adding its positive. That is, x − (−y) = x + y.']
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To subtract integers, change the sign on the integer that is to be subtracted. If both signs are positive, the answer will be positive. If both signs are negative, the answer will be negative. If the signs are different subtract the smaller absolute value from the larger absolute value.