2/4 + 9/4 = , 11/4, 1 7/7, 11/8, 82/89, 2/5 + 6/5 = , 1 18/21,  8/5, 1 9/35, 78/80, 2/2 + 4/2 = , 1 36/50, 6/2, 3/6, 46/55, 4/6 + 2/6= , 1/2, 6/6, 24/60, 4/14, 1/3 + 2/3 = , 1, 1 15/18, 3/3, 6/9, In the morning, insects eat 1/4 of the plants. In the afternoon, they eat 2/4, How many plants do they eat?, 4/4, 3/4, One frog eats 1/3 of the insects, another frog eats 1/3, How many insects did the frog eat?, 2/3, 5/3, One snake eats 1/2 of a frog, another snake eats 1/2. How many frogs did the snake eat?, 2/4, 1/4.

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