Subtract 42/15 from 35/3
1st number: 11 2/3, 2nd number: 2 12/15
35/3 - 42/15 is 133/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
35/3 = 35 × 5/3 × 5 = 175/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
42/15 = 42 × 1/15 × 1 = 42/15 - Subtract the two like fractions:
175/15 - 42/15 = 175 - 42/15 = 133/15 - In mixed form: 813/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3-42/15 35/3-84/15 35/6-42/15 35/3-42/30 35/9-42/15 35/3-42/45 35/15-42/15 35/3-42/75 35/21-42/15