Subtract 9/49 from 18/54, Solve 18/54

Subtract 9/49 from 18/54

18/54 - 9/49 is 22/147.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 54 × 49 = 2646,
18/54 = 18 × 49/54 × 49 = 882/2646
Likewise, for the 2nd fraction, since 49 × 54 = 2646,
9/49 = 9 × 54/49 × 54 = 486/2646
Subtract the two like fractions:
882/2646 - 486/2646 = 882 - 486/2646 = 396/2646
After reducing the fraction, the answer is 22/147

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