Add 27/3 and 54/42, Solve 9 0/3 + 1 12/42 as a fraction

Add 27/3 and 54/42

1^st number: 9 0/3, 2^nd number: 1 12/42

27/3 + 54/42 is 72/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
27/3 = 27 × 14/3 × 14 = 378/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
54/42 = 54 × 1/42 × 1 = 54/42
Add the two like fractions:
378/42 + 54/42 = 378 + 54/42 = 432/42
432/42 simplified gives 72/7
So, 27/3 + 54/42 = 72/7
In mixed form: 102/7

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