Subtract 70/15 from 14/72
1st number: 14/72, 2nd number: 4 10/15
14/72 - 70/15 is -161/36.
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,
14/72 = 14 × 5/72 × 5 = 70/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
70/15 = 70 × 24/15 × 24 = 1680/360 - Subtract the two like fractions:
70/360 - 1680/360 = 70 - 1680/360 = -1610/360 - After reducing the fraction, the answer is -161/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/72-70/15 14/72-70/30 42/72-70/15 14/72-70/45 70/72-70/15 14/72-70/75 98/72-70/15