What is 4/7 of 21/8?

Prepare for the GMAS 6th Grade Mathematics Test with guided quizzes. Study using flashcards and multiple-choice questions with detailed hints. Succeed in your math exam!

Multiple Choice

What is 4/7 of 21/8?

Explanation:
When you see “of” between two fractions, you multiply them: take (4/7) × (21/8). Multiply the numerators: 4 × 21 = 84. Multiply the denominators: 7 × 8 = 56. This gives 84/56, which simplifies by dividing numerator and denominator by 28 to 3/2. So the result is 3/2, which is the same as 1 and a half. The correct choice is the one that equals 3/2.

When you see “of” between two fractions, you multiply them: take (4/7) × (21/8). Multiply the numerators: 4 × 21 = 84. Multiply the denominators: 7 × 8 = 56. This gives 84/56, which simplifies by dividing numerator and denominator by 28 to 3/2. So the result is 3/2, which is the same as 1 and a half. The correct choice is the one that equals 3/2.

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