Add 80/81 and 8/30
80/81 + 8/30 is 508/405.
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,
80/81 = 80 × 10/81 × 10 = 800/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
8/30 = 8 × 27/30 × 27 = 216/810 - Add the two like fractions:
800/810 + 216/810 = 800 + 216/810 = 1016/810 - 1016/810 simplified gives 508/405
- So, 80/81 + 8/30 = 508/405
In mixed form: 1103/405
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