Subtract 1/12 from 42/24
1st number: 1 18/24, 2nd number: 1/12
42/24 - 1/12 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
1/12 = 1 × 2/12 × 2 = 2/24 - Subtract the two like fractions:
42/24 - 2/24 = 42 - 2/24 = 40/24 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-1/12 42/24-2/12 42/48-1/12 42/24-1/24 42/24-3/12 42/72-1/12 42/24-1/36 42/24-5/12 42/24-1/60 42/24-7/12 42/24-1/84