Add 72/27 and 21/18, Solve 2 18/27 + 1 3/18 as a fraction

Add 72/27 and 21/18

1^st number: 2 18/27, 2^nd number: 1 3/18

72/27 + 21/18 is 23/6.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 27 × 2 = 54,
72/27 = 72 × 2/27 × 2 = 144/54
Likewise, for the 2nd fraction, since 18 × 3 = 54,
21/18 = 21 × 3/18 × 3 = 63/54
Add the two like fractions:
144/54 + 63/54 = 144 + 63/54 = 207/54
207/54 simplified gives 23/6
So, 72/27 + 21/18 = 23/6
In mixed form: 35/6

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