Subtract 2/72 from 10/9
1st number: 1 1/9, 2nd number: 2/72
10/9 - 2/72 is 13/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Subtract the two like fractions:
80/72 - 2/72 = 80 - 2/72 = 78/72 - After reducing the fraction, the answer is 13/12
- In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-2/72 10/9-4/72 10/18-2/72 30/9-2/72 10/9-6/72 10/27-2/72 50/9-2/72 10/9-10/72 10/45-2/72 70/9-2/72 10/9-14/72 10/63-2/72