Subtract 56/42 from 7/35
1st number: 7/35, 2nd number: 1 14/42
7/35 - 56/42 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
7/35 = 7 × 6/35 × 6 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
56/42 = 56 × 5/42 × 5 = 280/210 - Subtract the two like fractions:
42/210 - 280/210 = 42 - 280/210 = -238/210 - After reducing the fraction, the answer is -17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-56/42 7/70-56/42 7/35-56/84 21/35-56/42 49/35-56/42