Add 3/81 and 2/90
3/81 + 2/90 is 8/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 90 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
3/81 = 3 × 10/81 × 10 = 30/810 - Likewise, for the 2nd fraction, since 90 × 9 = 810,
2/90 = 2 × 9/90 × 9 = 18/810 - Add the two like fractions:
30/810 + 18/810 = 30 + 18/810 = 48/810 - 48/810 simplified gives 8/135
- So, 3/81 + 2/90 = 8/135
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