Subtract 20/49 from 54/14
1st number: 3 12/14, 2nd number: 20/49
54/14 - 20/49 is 169/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
54/14 = 54 × 7/14 × 7 = 378/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
20/49 = 20 × 2/49 × 2 = 40/98 - Subtract the two like fractions:
378/98 - 40/98 = 378 - 40/98 = 338/98 - After reducing the fraction, the answer is 169/49
- In mixed form: 322/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-40/49 54/28-20/49 54/14-20/98 54/14-60/49 54/42-20/49 54/70-20/49 54/98-20/49