Subtract 7/42 from 35/12
1st number: 2 11/12, 2nd number: 7/42
35/12 - 7/42 is 11/4.
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,
35/12 = 35 × 7/12 × 7 = 245/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Subtract the two like fractions:
245/84 - 14/84 = 245 - 14/84 = 231/84 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-7/42 35/12-14/42 35/24-7/42 35/12-7/84 35/12-21/42 35/36-7/42 35/12-35/42 35/60-7/42 35/12-49/42 35/84-7/42