Subtract 27/9 from 75/50, Solve 1 25/50

Subtract 27/9 from 75/50

1^st number: 1 25/50, 2^nd number: 3 0/9

75/50 - 27/9 is -3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 50 × 9 = 450,
75/50 = 75 × 9/50 × 9 = 675/450
Likewise, for the 2nd fraction, since 9 × 50 = 450,
27/9 = 27 × 50/9 × 50 = 1350/450
Subtract the two like fractions:
675/450 - 1350/450 = 675 - 1350/450 = -675/450
After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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