Subtract 42/24 from 6/12
1st number: 6/12, 2nd number: 1 18/24
6/12 - 42/24 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
6/12 = 6 × 2/12 × 2 = 12/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
12/24 - 42/24 = 12 - 42/24 = -30/24 - After reducing the fraction, the answer is -5/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-84/24 6/24-42/24 6/12-42/48 18/12-42/24 6/36-42/24 6/12-42/72 30/12-42/24 6/60-42/24 42/12-42/24 6/84-42/24