Subtract 70/15 from 42/60
1st number: 42/60, 2nd number: 4 10/15
42/60 - 70/15 is -119/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Subtract the two like fractions:
42/60 - 280/60 = 42 - 280/60 = -238/60 - After reducing the fraction, the answer is -119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-70/15 42/60-70/30 42/60-70/45 42/60-70/75