Subtract 72/60 from 35/42
1st number: 35/42, 2nd number: 1 12/60
35/42 - 72/60 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
35/42 = 35 × 10/42 × 10 = 350/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Subtract the two like fractions:
350/420 - 504/420 = 350 - 504/420 = -154/420 - After reducing the fraction, the answer is -11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-72/60 35/84-72/60