Subtract 72/50 from 30/15
1st number: 2 0/15, 2nd number: 1 22/50
30/15 - 72/50 is 14/25.
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,
30/15 = 30 × 10/15 × 10 = 300/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
72/50 = 72 × 3/50 × 3 = 216/150 - Subtract the two like fractions:
300/150 - 216/150 = 300 - 216/150 = 84/150 - After reducing the fraction, the answer is 14/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-72/50 90/15-72/50 30/45-72/50 30/75-72/50