Add 14/30 and 42/81
14/30 + 42/81 is 133/135.
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,
14/30 = 14 × 27/30 × 27 = 378/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
42/81 = 42 × 10/81 × 10 = 420/810 - Add the two like fractions:
378/810 + 420/810 = 378 + 420/810 = 798/810 - 798/810 simplified gives 133/135
- So, 14/30 + 42/81 = 133/135
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