Subtract 21/14 from 49/28
1st number: 1 21/28, 2nd number: 1 7/14
49/28 - 21/14 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
49/28 = 49 × 1/28 × 1 = 49/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
21/14 = 21 × 2/14 × 2 = 42/28 - Subtract the two like fractions:
49/28 - 42/28 = 49 - 42/28 = 7/28 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-21/14 49/28-42/14 49/56-21/14 49/28-21/28 49/28-63/14 49/84-21/14 49/28-21/42 49/28-21/70 49/28-21/98