Subtract 10/15 from 40/36
1st number: 1 4/36, 2nd number: 10/15
40/36 - 10/15 is 4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
40/36 = 40 × 5/36 × 5 = 200/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
10/15 = 10 × 12/15 × 12 = 120/180 - Subtract the two like fractions:
200/180 - 120/180 = 200 - 120/180 = 80/180 - After reducing the fraction, the answer is 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36-10/15 40/36-20/15 40/72-10/15 40/36-10/30 40/36-30/15 40/36-10/45 40/36-50/15 40/36-10/75 40/36-70/15