Subtract 28/56 from 5/25
5/25 - 28/56 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
5/25 = 5 × 56/25 × 56 = 280/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
28/56 = 28 × 25/56 × 25 = 700/1400 - Subtract the two like fractions:
280/1400 - 700/1400 = 280 - 700/1400 = -420/1400 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/25-28/56 5/50-28/56 15/25-28/56 5/25-84/56 5/75-28/56 35/25-28/56