Subtract 81/24 from 1/8
1st number: 1/8, 2nd number: 3 9/24
1/8 - 81/24 is -13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
1/8 = 1 × 3/8 × 3 = 3/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Subtract the two like fractions:
3/24 - 81/24 = 3 - 81/24 = -78/24 - After reducing the fraction, the answer is -13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-81/24 1/16-81/24 1/8-81/48 3/8-81/24 1/24-81/24 1/8-81/72 5/8-81/24 1/40-81/24 7/8-81/24 1/56-81/24