Add 12/72 and 40/9, Solve 12/72 + 4 4/9 as a fraction

Add 12/72 and 40/9

1^st number: 12/72, 2^nd number: 4 4/9

12/72 + 40/9 is 83/18.

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

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72
Add the two like fractions:
12/72 + 320/72 = 12 + 320/72 = 332/72
332/72 simplified gives 83/18
So, 12/72 + 40/9 = 83/18
In mixed form: 411/18

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