Add 81/9 and 21/6
1st number: 9 0/9, 2nd number: 3 3/6
81/9 + 21/6 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
81/9 = 81 × 2/9 × 2 = 162/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
21/6 = 21 × 3/6 × 3 = 63/18 - Add the two like fractions:
162/18 + 63/18 = 162 + 63/18 = 225/18 - 225/18 simplified gives 25/2
- So, 81/9 + 21/6 = 25/2
In mixed form: 121/2
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