Add 90/2 and 21/27, Solve 45 0/2 + 21/27 as a fraction

Add 90/2 and 21/27

1^st number: 45 0/2, 2^nd number: 21/27

90/2 + 21/27 is 412/9.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 2 × 27 = 54,
90/2 = 90 × 27/2 × 27 = 2430/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54
Add the two like fractions:
2430/54 + 42/54 = 2430 + 42/54 = 2472/54
2472/54 simplified gives 412/9
So, 90/2 + 21/27 = 412/9
In mixed form: 457/9

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