Add 15/30 and 5/81
15/30 + 5/81 is 91/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
15/30 = 15 × 27/30 × 27 = 405/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
5/81 = 5 × 10/81 × 10 = 50/810 - Add the two like fractions:
405/810 + 50/810 = 405 + 50/810 = 455/810 - 455/810 simplified gives 91/162
- So, 15/30 + 5/81 = 91/162
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