Subtract 2/12 from 42/8
1st number: 5 2/8, 2nd number: 2/12
42/8 - 2/12 is 61/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
42/8 = 42 × 3/8 × 3 = 126/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
2/12 = 2 × 2/12 × 2 = 4/24 - Subtract the two like fractions:
126/24 - 4/24 = 126 - 4/24 = 122/24 - After reducing the fraction, the answer is 61/12
- In mixed form: 51/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-2/12 42/8-4/12 42/16-2/12 42/8-2/24 42/8-6/12 42/24-2/12 42/8-2/36 42/8-10/12 42/40-2/12 42/8-2/60 42/8-14/12 42/56-2/12 42/8-2/84