Add 15/2 and 45/27, Solve 7 1/2 + 1 18/27 as a fraction

Add 15/2 and 45/27

1^st number: 7 1/2, 2^nd number: 1 18/27

15/2 + 45/27 is 55/6.

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,
15/2 = 15 × 27/2 × 27 = 405/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
45/27 = 45 × 2/27 × 2 = 90/54
Add the two like fractions:
405/54 + 90/54 = 405 + 90/54 = 495/54
495/54 simplified gives 55/6
So, 15/2 + 45/27 = 55/6
In mixed form: 91/6

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