Subtract 12/54 from 20/14
1st number: 1 6/14, 2nd number: 12/54
20/14 - 12/54 is 76/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
20/14 = 20 × 27/14 × 27 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Subtract the two like fractions:
540/378 - 84/378 = 540 - 84/378 = 456/378 - After reducing the fraction, the answer is 76/63
- In mixed form: 113/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-12/54 20/14-24/54 20/28-12/54 60/14-12/54 20/14-36/54 20/42-12/54 20/14-60/54 20/70-12/54 20/14-84/54 20/98-12/54