Subtract 20/63 from 84/27, Solve 3 3/27

Subtract 20/63 from 84/27

1^st number: 3 3/27, 2^nd number: 20/63

84/27 - 20/63 is 176/63.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
84/27 = 84 × 7/27 × 7 = 588/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
20/63 = 20 × 3/63 × 3 = 60/189
Subtract the two like fractions:
588/189 - 60/189 = 588 - 60/189 = 528/189
After reducing the fraction, the answer is 176/63
In mixed form: 250/63

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