Add 84/9 and 30/72, Solve 9 3/9 + 30/72 as a fraction

Add 84/9 and 30/72

1^st number: 9 3/9, 2^nd number: 30/72

84/9 + 30/72 is 39/4.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
84/9 = 84 × 8/9 × 8 = 672/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72
Add the two like fractions:
672/72 + 30/72 = 672 + 30/72 = 702/72
702/72 simplified gives 39/4
So, 84/9 + 30/72 = 39/4
In mixed form: 93/4

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