Respuesta :

21/4 is equivalent to...

4 x 5 = 20
so, 21/4 = 5 1/4

5 1/4 = 5.25

5 1/4 = 5 2/8 = 42/8

42/8 = 84/16


 [tex] \frac{21}{4} [/tex] = ? 

To find an equivalent fraction you multiply. 

 [tex] \frac{21}{4} [/tex] x 2 = 

⇒ 21 x 2 = 42 
⇒ 4 x 2 = 8

42/8 is equivalent to 21/4 

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