Subtract 40/49 from 40/12
1st number: 3 4/12, 2nd number: 40/49
40/12 - 40/49 is 370/147.
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,
40/12 = 40 × 49/12 × 49 = 1960/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
40/49 = 40 × 12/49 × 12 = 480/588 - Subtract the two like fractions:
1960/588 - 480/588 = 1960 - 480/588 = 1480/588 - After reducing the fraction, the answer is 370/147
- In mixed form: 276/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-40/49 40/12-80/49 40/24-40/49 40/12-40/98 40/36-40/49 40/60-40/49 40/84-40/49