Answered

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Determine the lowest common denominator for each sum or difference.
13/24+7712
Common Denominator: 10
Common Denominator: 12
Common Denominator: 24
7/6 +(-5/12)
-314+(-2/3)
5- 7/10
1/8-5/3
3/2-4/5

Sagot :

yvonnewillemann

Hello!

13/24+77/12

= 13/24 + 144/24 =157/24

7/6 -5/12

= 14/12 -5/12 = 9/12

-31/4-2/3

= - 93/12 - 8/12

= 101/12

5- 7/10

= 50/10 -7/10 = 43/10

1/8-5/3

= 3/24 - 40/24= -37/24

3/2-4/5

= 15/10 - 8/10 = 7/10

  • 13/24+77/12

We need LCM of denominators

  • 2|24,12
  • 2|12,6
  • 2|6,3
  • 3|3,3

LCM=24

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