Subtract 1/12 from 35/42
35/42 - 1/12 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
35/42 = 35 × 2/42 × 2 = 70/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
1/12 = 1 × 7/12 × 7 = 7/84 - Subtract the two like fractions:
70/84 - 7/84 = 70 - 7/84 = 63/84 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-1/12 35/42-2/12 35/84-1/12 35/42-1/24 35/42-3/12 35/42-1/36 35/42-5/12 35/42-1/60 35/42-7/12 35/42-1/84