Subtract 10/15 from 70/12
1st number: 5 10/12, 2nd number: 10/15
70/12 - 10/15 is 31/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
10/15 = 10 × 4/15 × 4 = 40/60 - Subtract the two like fractions:
350/60 - 40/60 = 350 - 40/60 = 310/60 - After reducing the fraction, the answer is 31/6
- In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-20/15 70/24-10/15 70/12-10/30 70/12-30/15 70/36-10/15 70/12-10/45 70/12-50/15 70/60-10/15 70/12-10/75 70/12-70/15 70/84-10/15