Add 27/90 and 84/81
1st number: 27/90, 2nd number: 1 3/81
27/90 + 84/81 is 361/270.
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,
27/90 = 27 × 9/90 × 9 = 243/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
84/81 = 84 × 10/81 × 10 = 840/810 - Add the two like fractions:
243/810 + 840/810 = 243 + 840/810 = 1083/810 - 1083/810 simplified gives 361/270
- So, 27/90 + 84/81 = 361/270
In mixed form: 191/270
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