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viva [34]
3 years ago
12

Find the sum 5/8 + 7/12 A) 1 5/24 B) 1/2 C) 12/20 D) 5/24

Mathematics
2 answers:
Kay [80]3 years ago
3 0
Are those your only choices?
KATRIN_1 [288]3 years ago
3 0
Hoi!

To add fractions with uncommon denominators, we must first find a common denominator of both fractions. To do this, we find the least common multiple.

The least common multiple of 8 and 12 is 24.

\frac{x}{24} +  \frac{x}{24}

Now, how many times do you have to add the denominator of the first fraction to get to 24?

8 + 8 + 8 = 24

3 times. Put the number 3 for the first numerator.

\frac{3}{24} +  \frac{x}{24}

How many times do you have to do the same for the denominator of the second fraction?

12 + 12 = 24

2 times. Put two for the second numerator.

\frac{3}{24} +  \frac{2}{24} = \frac{5}{24}

\frac{5}{24} is your answer. :)
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