Subtract 4/12 from 42/4
1st number: 10 2/4, 2nd number: 4/12
42/4 - 4/12 is 61/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
42/4 = 42 × 3/4 × 3 = 126/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
4/12 = 4 × 1/12 × 1 = 4/12 - Subtract the two like fractions:
126/12 - 4/12 = 126 - 4/12 = 122/12 - After reducing the fraction, the answer is 61/6
- In mixed form: 101/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-4/12 42/4-8/12 42/8-4/12 42/4-4/24 42/12-4/12 42/4-4/36 42/4-20/12 42/20-4/12 42/4-4/60 42/4-28/12 42/28-4/12 42/4-4/84