Add 30/90 and 35/81
30/90 + 35/81 is 62/81.
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,
30/90 = 30 × 9/90 × 9 = 270/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
35/81 = 35 × 10/81 × 10 = 350/810 - Add the two like fractions:
270/810 + 350/810 = 270 + 350/810 = 620/810 - 620/810 simplified gives 62/81
- So, 30/90 + 35/81 = 62/81
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