Subtract 54/16 from 12/14, Solve 12/14

Subtract 54/16 from 12/14

1^st number: 12/14, 2^nd number: 3 6/16

12/14 - 54/16 is -141/56.

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,
12/14 = 12 × 8/14 × 8 = 96/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
54/16 = 54 × 7/16 × 7 = 378/112
Subtract the two like fractions:
96/112 - 378/112 = 96 - 378/112 = -282/112
After reducing the fraction, the answer is -141/56

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad