Subtract 4/60 from 7/42
7/42 - 4/60 is 1/10.
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,
7/42 = 7 × 10/42 × 10 = 70/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Subtract the two like fractions:
70/420 - 28/420 = 70 - 28/420 = 42/420 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42-4/60 7/42-8/60 7/84-4/60 21/42-4/60 7/42-12/60 35/42-4/60 7/42-20/60 49/42-4/60 7/42-28/60