Subtract 4/12 from 42/10
1st number: 4 2/10, 2nd number: 4/12
42/10 - 4/12 is 58/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Subtract the two like fractions:
252/60 - 20/60 = 252 - 20/60 = 232/60 - After reducing the fraction, the answer is 58/15
- In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-4/12 42/10-8/12 42/20-4/12 42/10-4/24 42/30-4/12 42/10-4/36 42/10-20/12 42/50-4/12 42/10-4/60 42/10-28/12 42/70-4/12 42/10-4/84