Subtract 80/54 from 36/15, Solve 2 6/15

Subtract 80/54 from 36/15

1^st number: 2 6/15, 2^nd number: 1 26/54

36/15 - 80/54 is 124/135.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 15 × 18 = 270,
36/15 = 36 × 18/15 × 18 = 648/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
80/54 = 80 × 5/54 × 5 = 400/270
Subtract the two like fractions:
648/270 - 400/270 = 648 - 400/270 = 248/270
After reducing the fraction, the answer is 124/135

MathStep (Works offline)

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