Subtract 7/15 from 75/10
1st number: 7 5/10, 2nd number: 7/15
75/10 - 7/15 is 211/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
75/10 = 75 × 3/10 × 3 = 225/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
7/15 = 7 × 2/15 × 2 = 14/30 - Subtract the two like fractions:
225/30 - 14/30 = 225 - 14/30 = 211/30 - In mixed form: 71/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-14/15 75/20-7/15 75/10-7/30 75/10-21/15 75/30-7/15 75/10-7/45 75/10-35/15 75/50-7/15 75/10-7/75 75/10-49/15 75/70-7/15