Subtract 42/35 from 7/56
1st number: 7/56, 2nd number: 1 7/35
7/56 - 42/35 is -43/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
42/35 = 42 × 8/35 × 8 = 336/280 - Subtract the two like fractions:
35/280 - 336/280 = 35 - 336/280 = -301/280 - After reducing the fraction, the answer is -43/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56-42/35 7/56-84/35 7/56-42/70 21/56-42/35 35/56-42/35 49/56-42/35