Subtract 42/56 from 7/35
7/35 - 42/56 is -11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
7/35 = 7 × 8/35 × 8 = 56/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Subtract the two like fractions:
56/280 - 210/280 = 56 - 210/280 = -154/280 - After reducing the fraction, the answer is -11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-42/56 7/35-84/56 7/70-42/56 21/35-42/56 49/35-42/56