Subtract 7/14 from 9/80
9/80 - 7/14 is -31/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
7/14 = 7 × 40/14 × 40 = 280/560 - Subtract the two like fractions:
63/560 - 280/560 = 63 - 280/560 = -217/560 - After reducing the fraction, the answer is -31/80
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