Subtract 10/15 from 70/72
70/72 - 10/15 is 11/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
10/15 = 10 × 24/15 × 24 = 240/360 - Subtract the two like fractions:
350/360 - 240/360 = 350 - 240/360 = 110/360 - After reducing the fraction, the answer is 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-20/15 70/72-10/30 70/72-30/15 70/72-10/45 70/72-50/15 70/72-10/75 70/72-70/15