How does 1/2+-2/5+1/4=7/20
1 answer:
Answer:
Step-by-step explanation:
1/2 = 10/20
-2/5 = -8/20
1/4 = 5/20
when you combine all of them together 10/20 - 8/20 + 5/20 it would equal to 7/20.
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