Add 42/9 and 36/81, Solve 4 6/9 + 36/81 as a fraction

Add 42/9 and 36/81

1^st number: 4 6/9, 2^nd number: 36/81

42/9 + 36/81 is 46/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81

Next, find the equivalent fraction of both fractional numbers with denominator 81
For the 1st fraction, since 9 × 9 = 81,
42/9 = 42 × 9/9 × 9 = 378/81
Likewise, for the 2nd fraction, since 81 × 1 = 81,
36/81 = 36 × 1/81 × 1 = 36/81
Add the two like fractions:
378/81 + 36/81 = 378 + 36/81 = 414/81
414/81 simplified gives 46/9
So, 42/9 + 36/81 = 46/9
In mixed form: 51/9

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