Subtract 42/5 from 56/3
1st number: 18 2/3, 2nd number: 8 2/5
56/3 - 42/5 is 154/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
56/3 = 56 × 5/3 × 5 = 280/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
42/5 = 42 × 3/5 × 3 = 126/15 - Subtract the two like fractions:
280/15 - 126/15 = 280 - 126/15 = 154/15 - In mixed form: 104/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-84/5 56/6-42/5 56/3-42/10 56/9-42/5 56/3-42/15 56/15-42/5 56/3-42/25 56/21-42/5 56/3-42/35