Subtract 42/24 from 12/3
1st number: 4 0/3, 2nd number: 1 18/24
12/3 - 42/24 is 9/4.
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,
12/3 = 12 × 8/3 × 8 = 96/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
96/24 - 42/24 = 96 - 42/24 = 54/24 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-42/24 12/3-84/24 12/6-42/24 12/3-42/48 36/3-42/24 12/9-42/24 12/3-42/72 60/3-42/24 12/15-42/24 84/3-42/24 12/21-42/24