Add 54/81 and 84/72, Solve 54/81 + 1 12/72 as a fraction

Add 54/81 and 84/72

1^st number: 54/81, 2^nd number: 1 12/72

54/81 + 84/72 is 11/6.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 72 is 648

Next, find the equivalent fraction of both fractional numbers with denominator 648
For the 1st fraction, since 81 × 8 = 648,
54/81 = 54 × 8/81 × 8 = 432/648
Likewise, for the 2nd fraction, since 72 × 9 = 648,
84/72 = 84 × 9/72 × 9 = 756/648
Add the two like fractions:
432/648 + 756/648 = 432 + 756/648 = 1188/648
1188/648 simplified gives 11/6
So, 54/81 + 84/72 = 11/6
In mixed form: 15/6

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