Subtract 36/24 from 81/4
1st number: 20 1/4, 2nd number: 1 12/24
81/4 - 36/24 is 75/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
81/4 = 81 × 6/4 × 6 = 486/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
36/24 = 36 × 1/24 × 1 = 36/24 - Subtract the two like fractions:
486/24 - 36/24 = 486 - 36/24 = 450/24 - After reducing the fraction, the answer is 75/4
- In mixed form: 183/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-72/24 81/8-36/24 81/4-36/48 81/12-36/24 81/4-36/72 81/20-36/24 81/28-36/24