Subtract 8/60 from 21/49
21/49 - 8/60 is 31/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 49 × 60 = 2940,
21/49 = 21 × 60/49 × 60 = 1260/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
8/60 = 8 × 49/60 × 49 = 392/2940 - Subtract the two like fractions:
1260/2940 - 392/2940 = 1260 - 392/2940 = 868/2940 - After reducing the fraction, the answer is 31/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49-8/60 21/49-16/60 21/98-8/60 63/49-8/60 21/49-24/60 21/49-40/60 21/49-56/60