Subtract 15/9 from 70/15
1st number: 4 10/15, 2nd number: 1 6/9
70/15 - 15/9 is 3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
15/9 = 15 × 5/9 × 5 = 75/45 - Subtract the two like fractions:
210/45 - 75/45 = 210 - 75/45 = 135/45 - After reducing the fraction, the answer is 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-30/9 70/30-15/9 70/15-15/18 70/15-45/9 70/45-15/9 70/15-15/27 70/15-75/9 70/75-15/9 70/15-15/45 70/15-15/63