Subtract 3/15 from 60/42
1st number: 1 18/42, 2nd number: 3/15
60/42 - 3/15 is 43/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
60/42 = 60 × 5/42 × 5 = 300/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
3/15 = 3 × 14/15 × 14 = 42/210 - Subtract the two like fractions:
300/210 - 42/210 = 300 - 42/210 = 258/210 - After reducing the fraction, the answer is 43/35
- In mixed form: 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-6/15 60/84-3/15 60/42-3/30 60/42-9/15 60/42-3/45 60/42-3/75 60/42-21/15