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Cut top to bottom, left to right, then horizonatally to make two layers.
Eight eighths of an apple pie!Eight eighths of an apple pie!Eight eighths of an apple pie!Eight eighths of an apple pie!
If the vendor cut the pineapples into eights, and after selling 27 pieces he had 13 pieces left, then he sold 27 + 13 = 40 pieces in total. Since each pineapple was cut into 8 pieces, the number of pineapples cut would be 40 pieces / 8 pieces per pineapple = 5 pineapples. Therefore, the vendor cut 5 pineapples.
Cut a round cake in eight equal sized wedge shaped pieces with four vertical cuts, then make one horizontal cut through the center of the cake to equal sixteen pieces.It's slightly more tricky if you are only allowed to cut the horizontal cross-section of the cake (treat the cake as a circle). In this case, first divide the cake with one cut (2 pieces), then cut it again so that it intersects the first cut (4 pieces), then cut it a third time so that it intersects both cuts previously made, at different points (7 pieces), then let the fourth cut intersect all three cuts so far at different points (11 pieces), and let the fifth and final cut intersect all four cuts at different points (16 pieces total).
3/8 is bigger than 3/10. When something is cut into eight pieces the pieces are bigger than when it is cut into 10 pieces. You can also fine the LCD to compare the fractions. 15/40 (3/8) is bigger than 12/40 (3/10).