3/8 and 3/4 are not equivalent fractions
four twentys = eighty. Equivalent fractions are 80/1, 240/3
9/11
Equivalent fractions are multiples of the reduced fraction. -4/4 reduces to -1, so equivalent fractions would be -1/1, -2/2, -3/3, etc.
1/3, 2/6, 3/9
1/3, 2/6
2/3, 6/9
2/6, 1/3
If you multiply top and bottom of a fraction by any non-zero number, you get an equivalent fraction. Do this with several numbers (such as 2, 3, and 4), and you get several equivalent fractions.
1/3, 2/6, 3/9
8/14, 12/21, 16/28
1/4 2/8 3/12