Subtract 18/35 from 7/80
7/80 - 18/35 is -239/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
18/35 = 18 × 16/35 × 16 = 288/560 - Subtract the two like fractions:
49/560 - 288/560 = 49 - 288/560 = -239/560
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