Add 8/72 and 21/18, Solve 8/72 + 1 3/18 as a fraction

Add 8/72 and 21/18

1^st number: 8/72, 2^nd number: 1 3/18

8/72 + 21/18 is 23/18.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72
Likewise, for the 2nd fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72
Add the two like fractions:
8/72 + 84/72 = 8 + 84/72 = 92/72
92/72 simplified gives 23/18
So, 8/72 + 21/18 = 23/18
In mixed form: 15/18

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