Subtract 84/10 from 4/54, Solve 4/54

Subtract 84/10 from 4/54

1^st number: 4/54, 2^nd number: 8 4/10

4/54 - 84/10 is -1124/135.

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

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
4/54 = 4 × 5/54 × 5 = 20/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
84/10 = 84 × 27/10 × 27 = 2268/270
Subtract the two like fractions:
20/270 - 2268/270 = 20 - 2268/270 = -2248/270
After reducing the fraction, the answer is -1124/135

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