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d1i1m1o1n [39]
3 years ago
12

Mariana walked 3/10 mile to the park. Later, she walked 1/4 mile to a friend's house. Then she walked 2/5 mile home. How many mi

les did Mariana walk in all?​
Mathematics
1 answer:
Paladinen [302]3 years ago
7 0

Answer:

19/20 of a mile.

Step-by-step explanation:

\frac{3}{10} + \frac{1}{4} + \frac{2}{5}

The common denominator is 20 so we times the first one by 2 the second one by 5 and the last one by 4. (Both numerator and denominator.)

You will end up with this \frac{6}{20} + \frac{5}{20} + \frac{8}{20} = \frac{19}{20}

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