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miv72 [106K]
3 years ago
12

Guys help what is 10/100 + 7/10

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0

Answer:

4/5

Step-by-step explanation:

zhenek [66]3 years ago
4 0

Answer: \frac{4}{5}

Step-by-step explanation: The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(\frac{10}{100}, \frac{7}{10}) = 100

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(\frac{10}{100}×\frac{1}{1})+(\frac{7}{10}×\frac{10}{10})=?

Complete the multiplication and the equation becomes

\frac{10}{100}+\frac{7}{10}=?

The two fractions now have like denominators so you can add the numerators.

Then:

\frac{10+70}{100}=\frac{80}{100}

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 80 and 100 using

GCF(80,100) = 20

\frac{80÷20}{100÷20}=\frac{4}{5}

Therefore:

\frac{10}{100}+\frac{7}{10}=\frac{4}{5}

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