Subtract 30/27 from 20/4, Solve 5 0/4

Subtract 30/27 from 20/4

1^st number: 5 0/4, 2^nd number: 1 3/27

20/4 - 30/27 is 35/9.

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

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 4 × 27 = 108,
20/4 = 20 × 27/4 × 27 = 540/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108
Subtract the two like fractions:
540/108 - 120/108 = 540 - 120/108 = 420/108
After reducing the fraction, the answer is 35/9
In mixed form: 38/9

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