What is 4/7 of 21/8 expressed as a decimal?

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Multiple Choice

What is 4/7 of 21/8 expressed as a decimal?

Explanation:
Taking a fraction of another fraction means multiplying the two fractions. You can simplify before multiplying by canceling common factors to make the math easier. Here, 21 shares a factor 7 with the denominator, so you can reduce: (4/7) × (21/8) becomes (4/1) × (3/8) = 12/8. Simplifying 12/8 gives 3/2. Converting 3/2 to a decimal gives 1.5.

Taking a fraction of another fraction means multiplying the two fractions. You can simplify before multiplying by canceling common factors to make the math easier. Here, 21 shares a factor 7 with the denominator, so you can reduce: (4/7) × (21/8) becomes (4/1) × (3/8) = 12/8. Simplifying 12/8 gives 3/2. Converting 3/2 to a decimal gives 1.5.

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