Subtract 90/60 from 25/15
1st number: 1 10/15, 2nd number: 1 30/60
25/15 - 90/60 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 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 60 × 1 = 60,
90/60 = 90 × 1/60 × 1 = 90/60 - Subtract the two like fractions:
100/60 - 90/60 = 100 - 90/60 = 10/60 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-90/60 25/30-90/60 75/15-90/60 25/45-90/60 25/75-90/60