Add 84/63 and 8/81
1st number: 1 21/63, 2nd number: 8/81
84/63 + 8/81 is 116/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
84/63 = 84 × 9/63 × 9 = 756/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
8/81 = 8 × 7/81 × 7 = 56/567 - Add the two like fractions:
756/567 + 56/567 = 756 + 56/567 = 812/567 - 812/567 simplified gives 116/81
- So, 84/63 + 8/81 = 116/81
In mixed form: 135/81
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