Subtract 14/12 from 8/42
1st number: 8/42, 2nd number: 1 2/12
8/42 - 14/12 is -41/42.
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,
8/42 = 8 × 2/42 × 2 = 16/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84 - Subtract the two like fractions:
16/84 - 98/84 = 16 - 98/84 = -82/84 - After reducing the fraction, the answer is -41/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42-14/12 8/42-28/12 8/84-14/12 8/42-14/24 24/42-14/12 8/42-42/12 8/42-14/36 40/42-14/12 8/42-70/12 8/42-14/60 56/42-14/12 8/42-98/12 8/42-14/84