Subtract 36/18 from 25/15
1st number: 1 10/15, 2nd number: 2 0/18
25/15 - 36/18 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
25/15 = 25 × 6/15 × 6 = 150/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Subtract the two like fractions:
150/90 - 180/90 = 150 - 180/90 = -30/90 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-36/18 25/15-72/18 25/30-36/18 75/15-36/18 25/45-36/18 25/15-36/54 25/75-36/18 25/15-36/90