You're looking for the numerator of the equivalent fraction. To do that, you can use the rule of 3 (there are many ways of finding it):
2 → m
5 → 70
(70 * 2) / 5 = m
140 / 5 = m
28 = m
To prove the answer, you do the division,
2/5 = 0,4
28 / 70 = 0,4
Therefore 2/5 = 28/70
Answer:
[tex] \boxed{\bf~28~is~the~missing~denominator~called~m.} [/tex]
Hope it helped,
Happy homework/ study/ exam!
