Subtract 45/54 from 4/10, Solve 4/10

Subtract 45/54 from 4/10

4/10 - 45/54 is -13/30.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
4/10 = 4 × 27/10 × 27 = 108/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270
Subtract the two like fractions:
108/270 - 225/270 = 108 - 225/270 = -117/270
After reducing the fraction, the answer is -13/30

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