Subtract 25/7 from 49/28
1st number: 1 21/28, 2nd number: 3 4/7
49/28 - 25/7 is -51/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 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 7 × 4 = 28,
25/7 = 25 × 4/7 × 4 = 100/28 - Subtract the two like fractions:
49/28 - 100/28 = 49 - 100/28 = -51/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-25/7 49/28-50/7 49/56-25/7 49/28-25/14 49/28-75/7 49/84-25/7 49/28-25/21 49/28-25/35 49/28-25/49