Answer:

Step-by-step explanation:
The LCM of 14, 21 and 6 is 42
We require to change the fractions to fractions with a denominator of 42
+
+ 
=
+
+
← add the numerators, leaving the denominator
= 
=
← divide both values by 2
=
← in simplest form
Answer:I know you said no PDFs but I know this site that can help you. Just search up ‘Desciptive Statistics Calculator’ it can help you a lot
Step-by-step explanation:
Yes they do.
16/12 and 4/3 forms of proportion
:^)