Subtract 54/14 from 63/20
1st number: 3 3/20, 2nd number: 3 12/14
63/20 - 54/14 is -99/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
54/14 = 54 × 10/14 × 10 = 540/140 - Subtract the two like fractions:
441/140 - 540/140 = 441 - 540/140 = -99/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40-54/14 63/20-54/28 63/60-54/14 63/20-54/42 63/20-54/70 63/20-54/98