Add 84/81 and 7/36
1st number: 1 3/81, 2nd number: 7/36
84/81 + 7/36 is 133/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
84/81 = 84 × 4/81 × 4 = 336/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
7/36 = 7 × 9/36 × 9 = 63/324 - Add the two like fractions:
336/324 + 63/324 = 336 + 63/324 = 399/324 - 399/324 simplified gives 133/108
- So, 84/81 + 7/36 = 133/108
In mixed form: 125/108
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