Add 18/9 and 84/8
1st number: 2 0/9, 2nd number: 10 4/8
18/9 + 84/8 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
84/8 = 84 × 9/8 × 9 = 756/72 - Add the two like fractions:
144/72 + 756/72 = 144 + 756/72 = 900/72 - 900/72 simplified gives 25/2
- So, 18/9 + 84/8 = 25/2
In mixed form: 121/2
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