Subtract 15/56 from 40/3
1st number: 13 1/3, 2nd number: 15/56
40/3 - 15/56 is 2195/168.
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,
40/3 = 40 × 56/3 × 56 = 2240/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Subtract the two like fractions:
2240/168 - 45/168 = 2240 - 45/168 = 2195/168 - In mixed form: 1311/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-15/56 40/3-30/56 40/6-15/56 40/3-45/56 40/9-15/56 40/3-75/56 40/15-15/56 40/21-15/56