3+6+9+12+15+18+21+24+27+30+33+36 = 234
234
-12 + 18 - (-15) = -12 + 18 +15 = 21
13 + 21 - 7 + 12 = 15
18/21 x 15 is 12 6/7
-15.
73
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.
3, 6, 9, 12, 15, 18, and 21 are.
15
307 i think
3, 6, 9, 12, 15, 18, 21.
-3 0 3 then 6 9 12 15 18 21 and so on ...
1/2 + 12/18 = 9/18 + 12/18 = 21/18 = 7/6