Subtract 49/25 from 7/28
1st number: 7/28, 2nd number: 1 24/25
7/28 - 49/25 is -171/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
49/25 = 49 × 28/25 × 28 = 1372/700 - Subtract the two like fractions:
175/700 - 1372/700 = 175 - 1372/700 = -1197/700 - After reducing the fraction, the answer is -171/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-49/25 7/28-98/25 7/56-49/25 7/28-49/50 21/28-49/25 7/84-49/25 7/28-49/75 35/28-49/25 49/28-49/25