Add 20/81 and 5/30
20/81 + 5/30 is 67/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
20/81 = 20 × 10/81 × 10 = 200/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
5/30 = 5 × 27/30 × 27 = 135/810 - Add the two like fractions:
200/810 + 135/810 = 200 + 135/810 = 335/810 - 335/810 simplified gives 67/162
- So, 20/81 + 5/30 = 67/162
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