Subtract 81/36 from 63/2
1st number: 31 1/2, 2nd number: 2 9/36
63/2 - 81/36 is 117/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
63/2 = 63 × 18/2 × 18 = 1134/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Subtract the two like fractions:
1134/36 - 81/36 = 1134 - 81/36 = 1053/36 - After reducing the fraction, the answer is 117/4
- In mixed form: 291/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-81/36 63/2-81/72 63/6-81/36 63/10-81/36 63/14-81/36