Subtract 4/27 from 90/18, Solve 5 0/18

Subtract 4/27 from 90/18

1^st number: 5 0/18, 2^nd number: 4/27

90/18 - 4/27 is 131/27.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 18 × 3 = 54,
90/18 = 90 × 3/18 × 3 = 270/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
4/27 = 4 × 2/27 × 2 = 8/54
Subtract the two like fractions:
270/54 - 8/54 = 270 - 8/54 = 262/54
After reducing the fraction, the answer is 131/27
In mixed form: 423/27

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