Subtract 15/50 from 4/36, Solve 4/36

Subtract 15/50 from 4/36

4/36 - 15/50 is -17/90.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 36 × 25 = 900,
4/36 = 4 × 25/36 × 25 = 100/900
Likewise, for the 2nd fraction, since 50 × 18 = 900,
15/50 = 15 × 18/50 × 18 = 270/900
Subtract the two like fractions:
100/900 - 270/900 = 100 - 270/900 = -170/900
After reducing the fraction, the answer is -17/90

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