Subtract 28/54 from 35/14, Solve 2 7/14

Subtract 28/54 from 35/14

1^st number: 2 7/14, 2^nd number: 28/54

35/14 - 28/54 is 107/54.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
35/14 = 35 × 27/14 × 27 = 945/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378
Subtract the two like fractions:
945/378 - 196/378 = 945 - 196/378 = 749/378
After reducing the fraction, the answer is 107/54
In mixed form: 153/54

MathStep (Works offline)

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