Add 9/90 and 18/81
9/90 + 18/81 is 29/90.
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,
9/90 = 9 × 9/90 × 9 = 81/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
18/81 = 18 × 10/81 × 10 = 180/810 - Add the two like fractions:
81/810 + 180/810 = 81 + 180/810 = 261/810 - 261/810 simplified gives 29/90
- So, 9/90 + 18/81 = 29/90
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