28
4
32
4 x 7 = 28
4/7 x 3/4 is 3/7
8 x 7 + (4/4) = 57
7
7.5 x 4 = 30
if you times 2 by 4, you get 8. if you times 7 by 4, you get 28. Also, 28 times 2 is 56 and 7 times 5 is 56. by cross multiplying, if you get the same answer the fractions are equal.
7 adding another 7, 4 times is 28
7
1 3/4 is also known as 7/4 7/4 * 4 = 7