alleryA jar has 2/9 litre of milk and 5/9 litre of water is added. Total litres?
A7/18
B10/9
C7/9
D3/9
Answer & Solution
Correct answer: C. 7/9
1. The denominators are the same (9), so add numerators only.
2. 2 + 5 = 7, so the sum is 7/9.
3. 7/18 wrongly adds denominators, 10/9 multiplies numerators, and 3/9 subtracts.
_Source: Wikipedia, Fraction, section Addition_
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