Subtract 21/9 from 5/56
1st number: 5/56, 2nd number: 2 3/9
5/56 - 21/9 is -377/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
5/56 = 5 × 9/56 × 9 = 45/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
21/9 = 21 × 56/9 × 56 = 1176/504 - Subtract the two like fractions:
45/504 - 1176/504 = 45 - 1176/504 = -1131/504 - After reducing the fraction, the answer is -377/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56-21/9 5/56-42/9 5/56-21/18 15/56-21/9 5/56-63/9 5/56-21/27 25/56-21/9 5/56-21/45 35/56-21/9 5/56-21/63