Respuesta :

21/28 can be simplified to:

3/4

Any fraction that is equal to 3/4 or 75% will be equivalent.

Examples:

30/40, 75/100
gmany

[tex]\dfrac{21}{28}=\dfrac{21:7}{28:7}=\dfrac{3}{4}\\\\\dfrac{21}{28}=\dfrac{21\cdot2}{28\cdot2}=\dfrac{42}{56}\\\\\dfrac{21}{28}=\dfrac{3}{4}=\dfrac{3\cdot2}{4\cdot2}=\dfrac{6}{8}\\\\\dfrac{21}{28}=\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\\dfrac{21}{28}=\dfrac{3}{4}=\dfrac{3\cdot4}{4\cdot4}=\dfrac{12}{16}\\\vdots[/tex]

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