Subtract 3/10 from 50/15
1st number: 3 5/15, 2nd number: 3/10
50/15 - 3/10 is 91/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
50/15 = 50 × 2/15 × 2 = 100/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30 - Subtract the two like fractions:
100/30 - 9/30 = 100 - 9/30 = 91/30 - In mixed form: 31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-6/10 50/30-3/10 50/15-3/20 50/15-9/10 50/45-3/10 50/15-3/30 50/15-15/10 50/75-3/10 50/15-3/50 50/15-21/10 50/15-3/70