Subtract 2/36 from 81/15
1st number: 5 6/15, 2nd number: 2/36
81/15 - 2/36 is 481/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
81/15 = 81 × 12/15 × 12 = 972/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
2/36 = 2 × 5/36 × 5 = 10/180 - Subtract the two like fractions:
972/180 - 10/180 = 972 - 10/180 = 962/180 - After reducing the fraction, the answer is 481/90
- In mixed form: 531/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15-4/36 81/30-2/36 81/15-2/72 81/15-6/36 81/45-2/36 81/15-10/36 81/75-2/36 81/15-14/36