Arjun says 4/6 and 6/9 are equivalent. He checks by cross multiplication: 4 x 9 and 6 x 6. What are the two cross products, and are the numbers equivalent?

Question

Accepted Answer

36 and 36, equivalent. 4 x 9 = 36 and 6 x 6 = 36. Equal cross products mean the rational numbers are equivalent.

Arjun says $\frac{4}{6}$ and $\frac{6}{9}$ are equivalent.
He checks by cross multiplication: $4 \times 9$ and $6 \times 6$ .
What are the two cross products, and are the numbers equivalent?

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More Class 7 Equivalent Rational Numbers practice

Arjun says 64​ and 96​ are equivalent.He checks by cross multiplication: 4×9 and 6×6.What are the two cross products, and are the numbers equivalent?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 7 Equivalent Rational Numbers practice

Arjun says $\frac{4}{6}$ and $\frac{6}{9}$ are equivalent.
He checks by cross multiplication: $4 \times 9$ and $6 \times 6$ .
What are the two cross products, and are the numbers equivalent?