Subtract 4/72 from 15/5
1st number: 3 0/5, 2nd number: 4/72
15/5 - 4/72 is 53/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
15/5 = 15 × 72/5 × 72 = 1080/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
1080/360 - 20/360 = 1080 - 20/360 = 1060/360 - After reducing the fraction, the answer is 53/18
- In mixed form: 217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-4/72 15/5-8/72 15/10-4/72 45/5-4/72 15/5-12/72 75/5-4/72 15/5-20/72 15/25-4/72 15/5-28/72 15/35-4/72