Subtract 4/49 from 20/12
1st number: 1 8/12, 2nd number: 4/49
20/12 - 4/49 is 233/147.
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,
20/12 = 20 × 49/12 × 49 = 980/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
4/49 = 4 × 12/49 × 12 = 48/588 - Subtract the two like fractions:
980/588 - 48/588 = 980 - 48/588 = 932/588 - After reducing the fraction, the answer is 233/147
- In mixed form: 186/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-4/49 20/12-8/49 20/24-4/49 20/12-4/98 60/12-4/49 20/12-12/49 20/36-4/49 20/12-20/49 20/60-4/49 20/12-28/49 20/84-4/49