Add 84/30 and 90/81
1st number: 2 24/30, 2nd number: 1 9/81
84/30 + 90/81 is 176/45.
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,
84/30 = 84 × 27/30 × 27 = 2268/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
90/81 = 90 × 10/81 × 10 = 900/810 - Add the two like fractions:
2268/810 + 900/810 = 2268 + 900/810 = 3168/810 - 3168/810 simplified gives 176/45
- So, 84/30 + 90/81 = 176/45
In mixed form: 341/45
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