Add 1/81 and 63/12, Solve 1/81 + 5 3/12 as a fraction

Add 1/81 and 63/12

1^st number: 1/81, 2^nd number: 5 3/12

1/81 + 63/12 is 1705/324.

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,
1/81 = 1 × 4/81 × 4 = 4/324
Likewise, for the 2nd fraction, since 12 × 27 = 324,
63/12 = 63 × 27/12 × 27 = 1701/324
Add the two like fractions:
4/324 + 1701/324 = 4 + 1701/324 = 1705/324
So, 1/81 + 63/12 = 1705/324
In mixed form: 585/324

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