Subtract 72/16 from 54/14
1st number: 3 12/14, 2nd number: 4 8/16
54/14 - 72/16 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
54/14 = 54 × 8/14 × 8 = 432/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
72/16 = 72 × 7/16 × 7 = 504/112 - Subtract the two like fractions:
432/112 - 504/112 = 432 - 504/112 = -72/112 - After reducing the fraction, the answer is -9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-72/16 54/14-72/32 54/42-72/16 54/14-72/48 54/70-72/16 54/14-72/80 54/98-72/16