Add 27/7 and 20/54, Solve 3 6/7 + 20/54 as a fraction

Add 27/7 and 20/54

1^st number: 3 6/7, 2^nd number: 20/54

27/7 + 20/54 is 799/189.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
27/7 = 27 × 54/7 × 54 = 1458/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378
Add the two like fractions:
1458/378 + 140/378 = 1458 + 140/378 = 1598/378
1598/378 simplified gives 799/189
So, 27/7 + 20/54 = 799/189
In mixed form: 443/189

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