Subtract 80/84 from 35/80
35/80 - 80/84 is -173/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
35/80 = 35 × 21/80 × 21 = 735/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
80/84 = 80 × 20/84 × 20 = 1600/1680 - Subtract the two like fractions:
735/1680 - 1600/1680 = 735 - 1600/1680 = -865/1680 - After reducing the fraction, the answer is -173/336
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