Subtract 12/56 from 1/3
1/3 - 12/56 is 5/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
1/3 = 1 × 56/3 × 56 = 56/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Subtract the two like fractions:
56/168 - 36/168 = 56 - 36/168 = 20/168 - After reducing the fraction, the answer is 5/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-12/56 1/3-24/56 1/6-12/56 1/3-36/56 1/9-12/56 5/3-12/56 1/3-60/56 1/15-12/56 7/3-12/56 1/3-84/56 1/21-12/56