Subtract 70/15 from 7/9
1st number: 7/9, 2nd number: 4 10/15
7/9 - 70/15 is -35/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Subtract the two like fractions:
35/45 - 210/45 = 35 - 210/45 = -175/45 - After reducing the fraction, the answer is -35/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9-70/15 7/18-70/15 7/9-70/30 21/9-70/15 7/27-70/15 7/9-70/45 35/9-70/15 7/45-70/15 7/9-70/75 49/9-70/15 7/63-70/15