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solong [7]
3 years ago
15

What is 2/4 + 4/5 - 7/10 ? Please help

Mathematics
1 answer:
Radda [10]3 years ago
7 0
Make sure they have all common denominators
\frac{2}{4} + \frac{4}{5} - \frac{7}{10}

\frac{2}{4} * \frac{5}{5} = \frac{10}{20}

\frac{4}{5} * \frac{4}{4} = \frac{16}{20}

\frac{7}{10} * \frac{2}{2} = \frac{14}{20}

\frac{10}{20} + \frac{16}{20} - \frac{14}{20}

Add \frac{10}{20} + \frac{16}{20} = \frac{26}{20}
\frac{26}{20} - \frac{14}{20} = \frac{12}{20}

To simplify, you must find the largest common factor which 4
In \frac{12}{20}
12÷4=3 and 20÷4=5

The answer is \frac{3}{5}
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3 years ago
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3 years ago
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3 years ago
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5 0
3 years ago
Read 2 more answers
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