Subtract 18/54 from 9/35, Solve 9/35

Subtract 18/54 from 9/35

9/35 - 18/54 is -8/105.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 35 × 54 = 1890,
9/35 = 9 × 54/35 × 54 = 486/1890
Likewise, for the 2nd fraction, since 54 × 35 = 1890,
18/54 = 18 × 35/54 × 35 = 630/1890
Subtract the two like fractions:
486/1890 - 630/1890 = 486 - 630/1890 = -144/1890
After reducing the fraction, the answer is -8/105

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