Subtract 3/56 from 42/80
42/80 - 3/56 is 33/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
3/56 = 3 × 10/56 × 10 = 30/560 - Subtract the two like fractions:
294/560 - 30/560 = 294 - 30/560 = 264/560 - After reducing the fraction, the answer is 33/70
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