5/10 + 1/30 = 8/15
10/30 = 0.33333 . . .
2/5, 4/10, 6/15
10
4/10 + 30/100 + 6 =40/100 + 30/100 + 600/100 =670/100 =67/10 =6.7 or 6⁷/₁₀
10%
7 over 10 plus 7 over 10 is 14 over 10 or 1.4
Yes: 3/10
They are not equivalent.
No, they are not.
10 plus 8 over 2 = 14
10 over 14 is! Plus, if you keep multiplying 5 over 7 with other numbers (both top and bottom with the same number) then those fractions are equivalent too. If you try to divide 5 over 7 it will not be even.
7 over 10