Question

with which number 8/21 is multiplied so that the product becomes 1 ? ​

Answer 1

Step-by-step explanation:

HEY MATE ........

$\implies \: because \: \\ \\ \\ \implies( \frac{8}{21} ) \times ( \frac{21}{8} ) \\ \\ \implies(8 \times 21) \div (21 \times 8) \\ \\ \implies \frac{168}{168} = 1$

HOPE IT HELPS YOU

Answer 2

Answer:

21/8

Step-by-step explanation:

8/21 × 21/8= 1

cross multiplication