Subtract 56/42 from 80/9
1st number: 8 8/9, 2nd number: 1 14/42
80/9 - 56/42 is 68/9.
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,
80/9 = 80 × 14/9 × 14 = 1120/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126 - Subtract the two like fractions:
1120/126 - 168/126 = 1120 - 168/126 = 952/126 - After reducing the fraction, the answer is 68/9
- In mixed form: 75/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-56/42 80/9-56/84 80/27-56/42 80/45-56/42 80/63-56/42