Respuesta :

21/49

Divide numerator and denominator by GCF.

GCF = 7 

21 ÷ 7 = 3
49 ÷ 7 = 7
3/7

21/49 in lowest terms is 3/7.
21/49 in lowest terms

1) To make a fraction in lowest terms you have to divide by the greatest common factor. 

The GCF of 21 and 49 is 7 

2) Simplify Fraction 

Divide the numerator and denominator by 7 

21 ÷ 7 = 3
 49 ÷ 7 = 7

21/49 in lowest terms is 3/7