67

45

78

89

712

58

612+ = n

58

612+ = n

8 12 4 6

22

2 3

58

612+ = n

58

1524

612

1224

58

1524 =

24 is the LCD, so 24 will be the denominator to get the numerator, 24÷12 = 2, then

2 x 6 = 12

612

1224 =

24 is the LCD, so 24 will be the denominator to get the numerator, 24÷8 = 3, then

3 x 5 = 15

58

612+ = n15

2458 =

1524

1224+ = nso….

1524

1224

+ = 2724

1224

612=

2124

1424

+ = 3524

2724

3 27 24 9 8

= 98

24 27 1

-243

2724

=

3241 3 3 24

1 8

so181

710

45+ = n

34

56+ = n

89

23+ = n