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Fudgin [204]
3 years ago
15

Whats the answer I am stuck

Mathematics
2 answers:
lubasha [3.4K]3 years ago
8 0

15/28 I believe is the answer

IrinaK [193]3 years ago
8 0

Answer:

3 \frac{11}{28}

Step-by-step explanation:

Note that

2 \frac{1}{7} = 2 + \frac{1}{7} and

1 \frac{1}{4} = 1 + \frac{1}{4}

We can add the whole numbers together and the 2 fractions separately, that is

2 + 1 + \frac{1}{7} + \frac{1}{4}

To add the fractions we require them to have a common denominator

The lowest common multiple of 7 and 4 is 28.

Multiply the numerator/denominator of the first fraction by 4

Multiply the numerator/denominator of the second fraction by 7

= 3 + \frac{1(4)}{7(4)} + \frac{1(7)}{4(7)}

= 3 + \frac{4}{28} + \frac{7}{28}

= 3 + \frac{4+7}{28}

= 3 + \frac{11}{28}

= 3 \frac{11}{28}

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