Add 30/81 and 3/90
30/81 + 3/90 is 109/270.
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,
30/81 = 30 × 10/81 × 10 = 300/810 - Likewise, for the 2nd fraction, since 90 × 9 = 810,
3/90 = 3 × 9/90 × 9 = 27/810 - Add the two like fractions:
300/810 + 27/810 = 300 + 27/810 = 327/810 - 327/810 simplified gives 109/270
- So, 30/81 + 3/90 = 109/270
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