Subtract 4/72 from 25/15
1st number: 1 10/15, 2nd number: 4/72
25/15 - 4/72 is 29/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
25/15 = 25 × 24/15 × 24 = 600/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
600/360 - 20/360 = 600 - 20/360 = 580/360 - After reducing the fraction, the answer is 29/18
- In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-4/72 25/15-8/72 25/30-4/72 75/15-4/72 25/15-12/72 25/45-4/72 25/15-20/72 25/75-4/72 25/15-28/72