Subtract 6/20 from 54/14
1st number: 3 12/14, 2nd number: 6/20
54/14 - 6/20 is 249/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
54/14 = 54 × 10/14 × 10 = 540/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Subtract the two like fractions:
540/140 - 42/140 = 540 - 42/140 = 498/140 - After reducing the fraction, the answer is 249/70
- In mixed form: 339/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-12/20 54/28-6/20 54/14-6/40 54/14-18/20 54/42-6/20 54/14-6/60 54/14-30/20 54/70-6/20 54/14-42/20 54/98-6/20