Subtract 50/42 from 56/15
1st number: 3 11/15, 2nd number: 1 8/42
56/15 - 50/42 is 89/35.
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,
50/42 = 50 × 5/42 × 5 = 250/210 - Subtract the two like fractions:
784/210 - 250/210 = 784 - 250/210 = 534/210 - After reducing the fraction, the answer is 89/35
- In mixed form: 219/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-50/42 56/15-50/84 56/45-50/42 56/75-50/42