Subtract 6/42 from 49/12
1st number: 4 1/12, 2nd number: 6/42
49/12 - 6/42 is 331/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
49/12 = 49 × 7/12 × 7 = 343/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
6/42 = 6 × 2/42 × 2 = 12/84 - Subtract the two like fractions:
343/84 - 12/84 = 343 - 12/84 = 331/84 - In mixed form: 379/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-6/42 49/12-12/42 49/24-6/42 49/12-6/84 49/12-18/42 49/36-6/42 49/12-30/42 49/60-6/42 49/84-6/42