Civil Service Exam Reviewer · Basic Operations · medium

Add: 5/10 + 4/6

1. 9/16
2. 1/3
3. 1 1/5
4. 1 1/6

Answer

D. 1 1/6

Solution

LCD = 30: 15/30 + 20/30 = 1 1/6.

More Basic Operations questions

1. Evaluate: 19 + 3 × (22 − 7) ÷ 3
2. Evaluate: √25 + √49
3. What is the least common multiple (LCM) of 7 and 4?
4. Evaluate: (−9) − (−4) × 5 + 16
5. Evaluate: 10² − 4³ + 3 × 3
6. Divide: 7.83 ÷ 0.29
7. Multiply: 8 × 9.58
8. Evaluate: (5/6) × (2/5) ÷ (1/2)
9. Add: 4/6 + 4/12
10. Evaluate: √400 + √169

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