Add 54/2 and 75/21, Solve 27 0/2 + 3 12/21 as a fraction

Add 54/2 and 75/21

1^st number: 27 0/2, 2^nd number: 3 12/21

54/2 + 75/21 is 214/7.

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,
75/21 = 75 × 2/21 × 2 = 150/42
Add the two like fractions:
1134/42 + 150/42 = 1134 + 150/42 = 1284/42
1284/42 simplified gives 214/7
So, 54/2 + 75/21 = 214/7
In mixed form: 304/7

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