Subtract 30/35 from 56/80
56/80 - 30/35 is -11/70.
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,
56/80 = 56 × 7/80 × 7 = 392/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
30/35 = 30 × 16/35 × 16 = 480/560 - Subtract the two like fractions:
392/560 - 480/560 = 392 - 480/560 = -88/560 - After reducing the fraction, the answer is -11/70
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