richbitttt richbitttt

18-09-2020
Mathematics

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Davis is building a wooden bench. He has 2 3/5feet of lumber in his garage and buys 8 1/2feet of lumber at the store. How many total feet of lumber does he now have?

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oscar236 oscar236

18-09-2020

Answer:

Below.

Step-by-step explanation:

2 3/5 + 8 1/2

= 2 + 8 + 3/5 + 1/2

= 10 + 3/5 + 1/2

The LCM of 5 and 2 is 10 so we get:

10 + 6/10 + 5/10

= 10 + 11/10

= 10 + 1 1/10

= 11 1/10 feet.

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