Add 12/81 and 25/7, Solve 12/81 + 3 4/7 as a fraction

Add 12/81 and 25/7

1^st number: 12/81, 2^nd number: 3 4/7

12/81 + 25/7 is 703/189.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 81 × 7 = 567,
12/81 = 12 × 7/81 × 7 = 84/567
Likewise, for the 2nd fraction, since 7 × 81 = 567,
25/7 = 25 × 81/7 × 81 = 2025/567
Add the two like fractions:
84/567 + 2025/567 = 84 + 2025/567 = 2109/567
2109/567 simplified gives 703/189
So, 12/81 + 25/7 = 703/189
In mixed form: 3136/189

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