Add 30/12 and 80/81
1st number: 2 6/12, 2nd number: 80/81
30/12 + 80/81 is 565/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
30/12 = 30 × 27/12 × 27 = 810/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
80/81 = 80 × 4/81 × 4 = 320/324 - Add the two like fractions:
810/324 + 320/324 = 810 + 320/324 = 1130/324 - 1130/324 simplified gives 565/162
- So, 30/12 + 80/81 = 565/162
In mixed form: 379/162
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