Add 27/2 and 90/28, Solve 13 1/2 + 3 6/28 as a fraction

Add 27/2 and 90/28

1^st number: 13 1/2, 2^nd number: 3 6/28

27/2 + 90/28 is 117/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28

Next, find the equivalent fraction of both fractional numbers with denominator 28
For the 1st fraction, since 2 × 14 = 28,
27/2 = 27 × 14/2 × 14 = 378/28
Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28
Add the two like fractions:
378/28 + 90/28 = 378 + 90/28 = 468/28
468/28 simplified gives 117/7
So, 27/2 + 90/28 = 117/7
In mixed form: 165/7

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