# math

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joel walked 2/5 of a mile to the store. 3/10 of a mile to the library,and 1/20 of a mile to the post office. how far did he walk

• math -

If you make everything have the same denominator, then Joel would have walked 8/20 of a mile to the store, 6/20 of a mile to the library, and 1/20 of a mile to the post office. When you add them up, Joel walked 15/20 of a mile or 3/4

• math -

You need equivalent fractions with the same denominator.

2/5 = 8/20
3/10 = 6/20

1/20 + 8/20 + 6/20 = ?

• math -

3/10

• math -

15/20

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