Subtract 21/3 from 6/56
1st number: 6/56, 2nd number: 7 0/3
6/56 - 21/3 is -193/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 3 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
6/56 = 6 × 3/56 × 3 = 18/168 - Likewise, for the 2nd fraction, since 3 × 56 = 168,
21/3 = 21 × 56/3 × 56 = 1176/168 - Subtract the two like fractions:
18/168 - 1176/168 = 18 - 1176/168 = -1158/168 - After reducing the fraction, the answer is -193/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/56-21/3 6/56-42/3 6/56-21/6 18/56-21/3 6/56-63/3 6/56-21/9 30/56-21/3 6/56-21/15 42/56-21/3