No.
To make equivalent fractions the numerator and denominator must be multiplied by the same number.
5/7 = (5×2)/(7×2) = 10/14
Yes. 10 and 105 have a common factor of 5 .
2/5
15
3/5 = 6/10 6/10 and 4/10 are not equivalent.
Yes, the fractions 4 over 5 (4/5) and 8 over 10 (8/10) are equivalent.
105/12 = 125/12
No, 0.2 is equivalent to 2 over 10 (or 1 over 5).
10/15 factor out a 5 5*2/5*3 eliminate 5; top and bottom 2/3 simplest form and equivalent
8 over 10 (8/10) and 12 over 15 (12/15) are equivalent to 4 over 5 (4/5).
No, 10/5 and 18/8 are not equivalent, because 10/5 is 2, and 18/8 is 2 1/4
5/10 = 1/2
10/14 or 5/7 10 over 14.