Subtract 30/54 from 4/30, Solve 4/30

Subtract 30/54 from 4/30

4/30 - 30/54 is -19/45.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270
Subtract the two like fractions:
36/270 - 150/270 = 36 - 150/270 = -114/270
After reducing the fraction, the answer is -19/45

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