39
-8 plus 15 = 7
12 + 15 + 63 + 12 + 24 + 34 + 23 + 15 = 198
24 24 + (-15) = 9
57 - (24 plus 15) = 18
24+-9=15
-55
First a common denominator must be found. The denominators are 2,3,4,8. 24 is the Lowest Common Denominator. Now convert all the fractions with 24 as the denominator. ⅓=8/24 ⅛=3/24 ½=12/24 ⅜=9/24 ⅞=21/24 ⅔=16/24 ¼=6/24 ⅝=15/24 ¾=18/24 ½ =12/24 The denominator will be 24. Add the numerators. 8+3+12+9+21+16+6+15+18+12 =120 The fraction is 120/24 which is equal to 5.
1200
It is 15.
the answer is 24. what you can do is: 5+3=8 8+4=12 12+3=15 15+10=25 25-1=24
15 + n = 24 (subtract 15 from both sides) n = 9
24