Add 18/27 and 12/5, Solve 18/27 + 2 2/5 as a fraction

Add 18/27 and 12/5

1^st number: 18/27, 2^nd number: 2 2/5

18/27 + 12/5 is 46/15.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
18/27 = 18 × 5/27 × 5 = 90/135
Likewise, for the 2nd fraction, since 5 × 27 = 135,
12/5 = 12 × 27/5 × 27 = 324/135
Add the two like fractions:
90/135 + 324/135 = 90 + 324/135 = 414/135
414/135 simplified gives 46/15
So, 18/27 + 12/5 = 46/15
In mixed form: 31/15

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