Subtract 90/4 from 7/27, Solve 7/27

Subtract 90/4 from 7/27

1^st number: 7/27, 2^nd number: 22 2/4

7/27 - 90/4 is -1201/54.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
90/4 = 90 × 27/4 × 27 = 2430/108
Subtract the two like fractions:
28/108 - 2430/108 = 28 - 2430/108 = -2402/108
After reducing the fraction, the answer is -1201/54

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