Subtract 18/10 from 1/27, Solve 1/27

Subtract 18/10 from 1/27

1^st number: 1/27, 2^nd number: 1 8/10

1/27 - 18/10 is -238/135.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 27 × 10 = 270,
1/27 = 1 × 10/27 × 10 = 10/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270
Subtract the two like fractions:
10/270 - 486/270 = 10 - 486/270 = -476/270
After reducing the fraction, the answer is -238/135

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