Andy was excited about his new toy—too excited to sit still long enough to eat his lunch. He ate 1/6...

Andy was excited about his new toy—too excited to sit still long enough to eat his lunch. He ate 1/6 of his macaroni and cheese, then played, came back and ate 1/7 of what was left of his lunch, played, then ate 1/8 of what was left, played, and continue this pattern. After 10 cycles of eating and playing, how much of his original lunch was left?