Subtract 4/60 from 42/35
1st number: 1 7/35, 2nd number: 4/60
42/35 - 4/60 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
42/35 = 42 × 12/35 × 12 = 504/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Subtract the two like fractions:
504/420 - 28/420 = 504 - 28/420 = 476/420 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-4/60 42/35-8/60 42/70-4/60 42/35-12/60 42/35-20/60 42/35-28/60