Add 84/90 and 3/81
84/90 + 3/81 is 131/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
84/90 = 84 × 9/90 × 9 = 756/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
3/81 = 3 × 10/81 × 10 = 30/810 - Add the two like fractions:
756/810 + 30/810 = 756 + 30/810 = 786/810 - 786/810 simplified gives 131/135
- So, 84/90 + 3/81 = 131/135
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