2/7, 4/14, 6/21
No. 2 over 7 is one ratio (or fraction). You need at least two for them to be equivalent.
No. 2/7 is twice as big as 2/14 .
3 over 7
No.
Multiply the top and the bottom of the fraction by the same number and you will get an equivalent fraction. For example 7*2 over 8*2 is 14 over 16 which is equivalent to 7 over 8. Do the same with 3,4,5 and 6 in place of the 2 and you will get five equivalent fractions!
Yes
No! 7/15 is about 1/2 and 1/7 is nowhere near 1/2.
2 over 7 and 12 over 42
7 over 1 or 14 over 2 or 21 over 3 etc..
It is: 7/14 = 1/2
no 1/2 = 6/12
7 over 8