Add 54/2 and 15/21, Solve 27 0/2 + 15/21 as a fraction

Add 54/2 and 15/21

1^st number: 27 0/2, 2^nd number: 15/21

54/2 + 15/21 is 194/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
54/2 = 54 × 21/2 × 21 = 1134/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
15/21 = 15 × 2/21 × 2 = 30/42
Add the two like fractions:
1134/42 + 30/42 = 1134 + 30/42 = 1164/42
1164/42 simplified gives 194/7
So, 54/2 + 15/21 = 194/7
In mixed form: 275/7

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