Add 28/30 and 14/81
28/30 + 14/81 is 448/405.
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,
28/30 = 28 × 27/30 × 27 = 756/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
14/81 = 14 × 10/81 × 10 = 140/810 - Add the two like fractions:
756/810 + 140/810 = 756 + 140/810 = 896/810 - 896/810 simplified gives 448/405
- So, 28/30 + 14/81 = 448/405
In mixed form: 143/405
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