Subtract 3/20 from 54/14
1st number: 3 12/14, 2nd number: 3/20
54/14 - 3/20 is 519/140.
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,
3/20 = 3 × 7/20 × 7 = 21/140 - Subtract the two like fractions:
540/140 - 21/140 = 540 - 21/140 = 519/140 - In mixed form: 399/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-6/20 54/28-3/20 54/14-3/40 54/14-9/20 54/42-3/20 54/14-3/60 54/14-15/20 54/70-3/20 54/14-21/20 54/98-3/20