Subtract 2/10 from 56/42
1st number: 1 14/42, 2nd number: 2/10
56/42 - 2/10 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
56/42 = 56 × 5/42 × 5 = 280/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
2/10 = 2 × 21/10 × 21 = 42/210 - Subtract the two like fractions:
280/210 - 42/210 = 280 - 42/210 = 238/210 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-4/10 56/84-2/10 56/42-2/20 56/42-6/10 56/42-2/30 56/42-2/50 56/42-14/10 56/42-2/70