Subtract 27/15 from 20/50, Solve 20/50

Subtract 27/15 from 20/50

1^st number: 20/50, 2^nd number: 1 12/15

20/50 - 27/15 is -7/5.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150
Likewise, for the 2nd fraction, since 15 × 10 = 150,
27/15 = 27 × 10/15 × 10 = 270/150
Subtract the two like fractions:
60/150 - 270/150 = 60 - 270/150 = -210/150
After reducing the fraction, the answer is -7/5

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