Subtract 25/15 from 90/2
1st number: 45 0/2, 2nd number: 1 10/15
90/2 - 25/15 is 130/3.
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,
90/2 = 90 × 15/2 × 15 = 1350/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
25/15 = 25 × 2/15 × 2 = 50/30 - Subtract the two like fractions:
1350/30 - 50/30 = 1350 - 50/30 = 1300/30 - After reducing the fraction, the answer is 130/3
- In mixed form: 431/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-50/15 90/4-25/15 90/2-25/30 90/2-75/15 90/6-25/15 90/2-25/45 90/10-25/15 90/2-25/75 90/14-25/15