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please answer is seriously i'll give brainliest for who answer it with solution ( :

Please Answer Is Seriously Ill Give Brainliest For Who Answer It With Solution class=

Sagot :

Noverascsgidn

Answers:

1. 1/2 + 2/5 = 9/10

2. 2/3 + 1/7 = 17/21

3. 5/8 - 1/3 =/24

4. 3/5 x 7/9 = 7/15

5. 5/6 x 3/4 = 5/8

6. 1/3 + 1/4 + 1/5 = 47/60

7. 2/3 ÷ 1/6 = 4        

8. 7/8 ÷ 1/4 = 7/2 or 3 1/2

9. 9 x 4/5 x 5/8 = 9/2 or 4 1/2

10. 9 1/3 - 6 4/5 = - 3 7/15

Solutions:

1. 1/2 + 2/5 = 5/10 + 4/10 = 9/10

2. 2/3 + 1/7 = 14/21 + 3/21 = 17/21

3. 5/8 - 1/3 = 15/24 - 8/24 = 7/24

4. 3/5 x 7/9 = 1/5 x 7/3 = 7/15

5. 5/6 x 3/4 = 5/2 x 1/4 = 5/8

6. 1/3 + 1/4 + 1/5 = 20/60 + 15/60 + 12/60 = 47/60

7. 2/3 ÷ 1/6 = 2/3 x 6/1 = 2/1 x 2/1 = 4      

8. 7/8 ÷ 1/4 = 7/8 x 4/1 = 7/2 x 1/1 = 7/2 or 3 1/2

9. 9 x 4/5 x 5/8 = 4/5 x 5/8 = 1/2 x 9 = 9/2 or 4 1/2

10. 9 1/3 - 6 4/5 = 5/15 - 12/15 = -7/15 = 9 - 6 = 3 = - 3 7/15

In numbers 1, 2, 3, 6, and 10. You just need to find the LCM in each denominator.

In numbers 4, 5, and 9. Just look at each fraction if the numerator (first given fraction) and the denomination (second given fraction) are divisible by a number. If it is, then crash out them.

In numbers 7 and 8. Just reciprocal the second fraction, to be able to crash out the numbers that are divisible.

I hope it helps

Correct me if I'm wrong

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