Subtract 15/54 from 7/15, Solve 7/15

Subtract 15/54 from 7/15

7/15 - 15/54 is 17/90.

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,
7/15 = 7 × 18/15 × 18 = 126/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270
Subtract the two like fractions:
126/270 - 75/270 = 126 - 75/270 = 51/270
After reducing the fraction, the answer is 17/90

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