Subtract 70/15 from 4/9
1st number: 4/9, 2nd number: 4 10/15
4/9 - 70/15 is -38/9.
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,
4/9 = 4 × 5/9 × 5 = 20/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Subtract the two like fractions:
20/45 - 210/45 = 20 - 210/45 = -190/45 - After reducing the fraction, the answer is -38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9-70/15 4/18-70/15 4/9-70/30 12/9-70/15 4/27-70/15 4/9-70/45 20/9-70/15 4/45-70/15 4/9-70/75 28/9-70/15 4/63-70/15