Subtract 10/50 from 72/15
1st number: 4 12/15, 2nd number: 10/50
72/15 - 10/50 is 23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
72/15 = 72 × 10/15 × 10 = 720/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
10/50 = 10 × 3/50 × 3 = 30/150 - Subtract the two like fractions:
720/150 - 30/150 = 720 - 30/150 = 690/150 - After reducing the fraction, the answer is 23/5
- In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15-20/50 72/30-10/50 72/15-30/50 72/45-10/50 72/75-10/50 72/15-70/50