Subtract 7/9 from 70/25
1st number: 2 20/25, 2nd number: 7/9
70/25 - 7/9 is 91/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
70/25 = 70 × 9/25 × 9 = 630/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
7/9 = 7 × 25/9 × 25 = 175/225 - Subtract the two like fractions:
630/225 - 175/225 = 630 - 175/225 = 455/225 - After reducing the fraction, the answer is 91/45
- In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-14/9 70/50-7/9 70/25-7/18 70/25-21/9 70/75-7/9 70/25-7/27 70/25-35/9 70/25-7/45 70/25-49/9 70/25-7/63