Lowest term of 21/49
21/49= (21/7) / (49/7)= 3/7.The final answer is 3/7~
\(\frac{21}{49} \\ \\ GCF = 7 \\ \\ 21 \div 7 =3 \\ \\ 49 \div 7 = 7 \\ \\ \frac{3}{7} \\ \\ Answer: \fbox {3/7} \ or \ \fbox {0.4286}\)