7/9 + 6/8 + 6/3 = _____?
- 127/36
- 123/36
- 117/18
- None of these
Explanation
To evaluate the expression, we need to find a common denominator. The least common multiple (LCM) of 9, 8, and 3 is 72.
Let's convert each fraction:
7/9 = (7 × 8) / (9 × 8) = 56/72
6/8 = (6 × 9) / (8 × 9) = 54/72
6/3 = (6 × 24) / (3 × 24) = 144/72
Now, add the fractions:
56/72 + 54/72 + 144/72
= (56 + 54 + 144) / 72
= 254/72
Simplify the fraction:
254/72 = 127/36
Related MCQs
- 2
- 3
- 4
- None of these
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