Subtract 42/24 from 1/3
1st number: 1/3, 2nd number: 1 18/24
1/3 - 42/24 is -17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
1/3 = 1 × 8/3 × 8 = 8/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
8/24 - 42/24 = 8 - 42/24 = -34/24 - After reducing the fraction, the answer is -17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-42/24 1/3-84/24 1/6-42/24 1/3-42/48 1/9-42/24 1/3-42/72 5/3-42/24 1/15-42/24 7/3-42/24 1/21-42/24