Subtract 10/72 from 28/9
1st number: 3 1/9, 2nd number: 10/72
28/9 - 10/72 is 107/36.
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,
28/9 = 28 × 8/9 × 8 = 224/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Subtract the two like fractions:
224/72 - 10/72 = 224 - 10/72 = 214/72 - After reducing the fraction, the answer is 107/36
- In mixed form: 235/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-10/72 28/9-20/72 28/18-10/72 84/9-10/72 28/9-30/72 28/27-10/72 28/9-50/72 28/45-10/72 28/9-70/72 28/63-10/72