Subtract 3/54 from 30/75, Solve 30/75

Subtract 3/54 from 30/75

30/75 - 3/54 is 31/90.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350

Next, find the equivalent fraction of both fractional numbers with denominator 1350
For the 1st fraction, since 75 × 18 = 1350,
30/75 = 30 × 18/75 × 18 = 540/1350
Likewise, for the 2nd fraction, since 54 × 25 = 1350,
3/54 = 3 × 25/54 × 25 = 75/1350
Subtract the two like fractions:
540/1350 - 75/1350 = 540 - 75/1350 = 465/1350
After reducing the fraction, the answer is 31/90

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