Fractions and Rational Numbers Flashcards
6 cards from real MDTP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fractions and Rational Numbers flashcards as text
What is 2/3 - 1/4?
Answer: 5/12
LCD of 3 and 4 is 12: 8/12 - 3/12 = 5/12.
Which of the following is a rational number?
Answer: √9
√9 = 3, which is an integer and therefore rational; the others are irrational.
Order from least to greatest: -1/2, -2/3, -1/4
Answer: -2/3, -1/2, -1/4
Converting to decimals: -1/2=-0.5, -2/3≈-0.667, -1/4=-0.25; ordered: -2/3, -1/2, -1/4.
If you eat 3/8 of a pizza and your friend eats 1/4, what fraction remains?
Answer: 3/8
Eaten = 3/8 + 2/8 = 5/8; remaining = 1 - 5/8 = 3/8.
Simplify: (3/5) / (9/10)
Answer: 2/3
3/5 ÷ 9/10 = 3/5 × 10/9 = 30/45 = 2/3.
What is the decimal form of 5/16?
Answer: 0.3125
5 ÷ 16 = 0.3125.
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