Subtract 15/42 from 56/9
1st number: 6 2/9, 2nd number: 15/42
56/9 - 15/42 is 739/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
56/9 = 56 × 14/9 × 14 = 784/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
15/42 = 15 × 3/42 × 3 = 45/126 - Subtract the two like fractions:
784/126 - 45/126 = 784 - 45/126 = 739/126 - In mixed form: 5109/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-30/42 56/18-15/42 56/9-15/84 56/9-45/42 56/27-15/42 56/9-75/42 56/45-15/42 56/63-15/42