Subtract 90/15 from 25/2
1st number: 12 1/2, 2nd number: 6 0/15
25/2 - 90/15 is 13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
25/2 = 25 × 15/2 × 15 = 375/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
90/15 = 90 × 2/15 × 2 = 180/30 - Subtract the two like fractions:
375/30 - 180/30 = 375 - 180/30 = 195/30 - After reducing the fraction, the answer is 13/2
- In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-90/15 25/4-90/15 25/2-90/30 75/2-90/15 25/6-90/15 25/2-90/45 25/10-90/15 25/2-90/75 25/14-90/15