Subtract 42/27 from 20/6, Solve 3 2/6

Subtract 42/27 from 20/6

1^st number: 3 2/6, 2^nd number: 1 15/27

20/6 - 42/27 is 16/9.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 6 × 9 = 54,
20/6 = 20 × 9/6 × 9 = 180/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54
Subtract the two like fractions:
180/54 - 84/54 = 180 - 84/54 = 96/54
After reducing the fraction, the answer is 16/9
In mixed form: 17/9

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