Fractions, Decimals & Percents Flashcards

6 cards from real AMC 8 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, Decimals & Percents flashcards as text

What is 3/4 + 5/6?
Answer: 19/12
Converting to a common denominator: 9/12 + 10/12 = 19/12.
What is 25% of 80?
Answer: 20
25% of 80 = 0.25 × 80 = 20.
Express 0.625 as a fraction in lowest terms.
Answer: 5/8
0.625 = 625/1000 = 5/8 after dividing numerator and denominator by 125.
A price increases from $40 to $50. What is the percent increase?
Answer: 25%
Percent increase = (change / original) × 100% = (10/40) × 100% = 25%.
What is 7/8 − 1/3?
Answer: 13/24
7/8 − 1/3 = 21/24 − 8/24 = 13/24.
What is 40% of 40% of 100?
Answer: 16
40% of 100 = 40, and 40% of 40 = 16.