Subtract 1/20 from 25/15
1st number: 1 10/15, 2nd number: 1/20
25/15 - 1/20 is 97/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
25/15 = 25 × 4/15 × 4 = 100/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Subtract the two like fractions:
100/60 - 3/60 = 100 - 3/60 = 97/60 - In mixed form: 137/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-1/20 25/15-2/20 25/30-1/20 25/15-1/40 75/15-1/20 25/15-3/20 25/45-1/20 25/15-1/60 25/15-5/20 25/75-1/20 25/15-7/20