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natta225 [31]
4 years ago
9

Workout and simplify where possible a)2/5 + 1/3 B) 5/9-1/2

Mathematics
1 answer:
timurjin [86]4 years ago
4 0

Answer:

<h2>A). </h2>

2/5 + 1/3

First find the LCM of the denominators

The LCM of 5 and 3 is 15

Add the fractions

We have

\frac{2}{5}  +  \frac{1}{3}  =  \frac{2(3) + 5}{15}  \\  =  \frac{6 + 5}{15}  \\  =  \frac{11}{15}

<h2>B.)</h2>

5/9 - 1/2

Find the LCM of the denominators

LCM of 9 and two is 18

Next

Subtract the fractions

We have

\frac{5}{9}  -  \frac{1}{2}  =  \frac{5(2)  - 9}{18}  \\  =  \frac{10 - 9}{18}  \\  =  \frac{1}{18}

Hope this helps you

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