Subtract 3/42 from 49/60
49/60 - 3/42 is 313/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
49/60 = 49 × 7/60 × 7 = 343/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
3/42 = 3 × 10/42 × 10 = 30/420 - Subtract the two like fractions:
343/420 - 30/420 = 343 - 30/420 = 313/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60-3/42 49/60-6/42 49/60-3/84 49/60-9/42 49/60-15/42 49/60-21/42