Subtract 16/42 from 56/15
1st number: 3 11/15, 2nd number: 16/42
56/15 - 16/42 is 352/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
56/15 = 56 × 14/15 × 14 = 784/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
784/210 - 80/210 = 784 - 80/210 = 704/210 - After reducing the fraction, the answer is 352/105
- In mixed form: 337/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-32/42 56/30-16/42 56/15-16/84 56/15-48/42 56/45-16/42 56/15-80/42 56/75-16/42