Step-by-step explanation:
1/2y - 2/5y
= 5/10y - 4/10y
= (5/10-4/10) y
=1/10y
Answer:
First we will take the LCM of 2 and 5
It's 10
so 1/2 × 5/5 = 5/10
2/5 × 2/2 = 4/10
so
5/10 y - 4/10 y = 1/10 y
Hope this helps
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