Subtract 49/56 from 20/12
1st number: 1 8/12, 2nd number: 49/56
20/12 - 49/56 is 19/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
20/12 = 20 × 14/12 × 14 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
49/56 = 49 × 3/56 × 3 = 147/168 - Subtract the two like fractions:
280/168 - 147/168 = 280 - 147/168 = 133/168 - After reducing the fraction, the answer is 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-49/56 20/12-98/56 20/24-49/56 60/12-49/56 20/36-49/56 20/60-49/56 20/84-49/56