Subtract 14/18 from 54/4, Solve 13 2/4

Subtract 14/18 from 54/4

1^st number: 13 2/4, 2^nd number: 14/18

54/4 - 14/18 is 229/18.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 4 × 9 = 36,
54/4 = 54 × 9/4 × 9 = 486/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
14/18 = 14 × 2/18 × 2 = 28/36
Subtract the two like fractions:
486/36 - 28/36 = 486 - 28/36 = 458/36
After reducing the fraction, the answer is 229/18
In mixed form: 1213/18

MathStep (Works offline)

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