Add 72/18 and 81/6, Solve 4 0/18 + 13 3/6 as a fraction

Add 72/18 and 81/6

1^st number: 4 0/18, 2^nd number: 13 3/6

72/18 + 81/6 is 35/2.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18

Next, find the equivalent fraction of both fractional numbers with denominator 18
For the 1st fraction, since 18 × 1 = 18,
72/18 = 72 × 1/18 × 1 = 72/18
Likewise, for the 2nd fraction, since 6 × 3 = 18,
81/6 = 81 × 3/6 × 3 = 243/18
Add the two like fractions:
72/18 + 243/18 = 72 + 243/18 = 315/18
315/18 simplified gives 35/2
So, 72/18 + 81/6 = 35/2
In mixed form: 171/2

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