Subtract 81/49 from 4/12
1st number: 4/12, 2nd number: 1 32/49
4/12 - 81/49 is -194/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
4/12 = 4 × 49/12 × 49 = 196/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
81/49 = 81 × 12/49 × 12 = 972/588 - Subtract the two like fractions:
196/588 - 972/588 = 196 - 972/588 = -776/588 - After reducing the fraction, the answer is -194/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-81/49 4/24-81/49 4/12-81/98 4/36-81/49 20/12-81/49 4/60-81/49 28/12-81/49 4/84-81/49