Subtract 7/56 from 21/50
21/50 - 7/56 is 59/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
7/56 = 7 × 25/56 × 25 = 175/1400 - Subtract the two like fractions:
588/1400 - 175/1400 = 588 - 175/1400 = 413/1400 - After reducing the fraction, the answer is 59/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50-7/56 21/50-14/56 63/50-7/56 21/50-21/56 21/50-35/56 21/50-49/56