Subtract 8/42 from 80/9
1st number: 8 8/9, 2nd number: 8/42
80/9 - 8/42 is 548/63.
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,
8/42 = 8 × 3/42 × 3 = 24/126 - Subtract the two like fractions:
1120/126 - 24/126 = 1120 - 24/126 = 1096/126 - After reducing the fraction, the answer is 548/63
- In mixed form: 844/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-16/42 80/18-8/42 80/9-8/84 80/9-24/42 80/27-8/42 80/9-40/42 80/45-8/42 80/9-56/42 80/63-8/42