Add 24/81 and 21/12, Solve 24/81 + 1 9/12 as a fraction

Add 24/81 and 21/12

1^st number: 24/81, 2^nd number: 1 9/12

24/81 + 21/12 is 221/108.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324

Next, find the equivalent fraction of both fractional numbers with denominator 324
For the 1st fraction, since 81 × 4 = 324,
24/81 = 24 × 4/81 × 4 = 96/324
Likewise, for the 2nd fraction, since 12 × 27 = 324,
21/12 = 21 × 27/12 × 27 = 567/324
Add the two like fractions:
96/324 + 567/324 = 96 + 567/324 = 663/324
663/324 simplified gives 221/108
So, 24/81 + 21/12 = 221/108
In mixed form: 25/108

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