Subtract 32/9 from 56/42
1st number: 1 14/42, 2nd number: 3 5/9
56/42 - 32/9 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
32/9 = 32 × 14/9 × 14 = 448/126 - Subtract the two like fractions:
168/126 - 448/126 = 168 - 448/126 = -280/126 - After reducing the fraction, the answer is -20/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-64/9 56/84-32/9 56/42-32/18 56/42-96/9 56/42-32/27 56/42-32/45 56/42-32/63