Subtract 7/15 from 75/20
1st number: 3 15/20, 2nd number: 7/15
75/20 - 7/15 is 197/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Subtract the two like fractions:
225/60 - 28/60 = 225 - 28/60 = 197/60 - In mixed form: 317/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-14/15 75/40-7/15 75/20-7/30 75/20-21/15 75/60-7/15 75/20-7/45 75/20-35/15 75/20-7/75 75/20-49/15