Subtract 18/35 from 54/72, Solve 54/72

Subtract 18/35 from 54/72

54/72 - 18/35 is 33/140.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
54/72 = 54 × 35/72 × 35 = 1890/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
18/35 = 18 × 72/35 × 72 = 1296/2520
Subtract the two like fractions:
1890/2520 - 1296/2520 = 1890 - 1296/2520 = 594/2520
After reducing the fraction, the answer is 33/140

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