Add 12/30 and 45/81
12/30 + 45/81 is 43/45.
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,
12/30 = 12 × 27/30 × 27 = 324/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Add the two like fractions:
324/810 + 450/810 = 324 + 450/810 = 774/810 - 774/810 simplified gives 43/45
- So, 12/30 + 45/81 = 43/45
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