Find 1/2 of 8, 40, 12, 2, 4, What is 1/4 of 40, 12, 18, 30, 10, What is 1/2 of 100?, 30, 200, 50, 1, What is 1/4 of 36?, 8, 10, 9, 14, Add: 3/7 + 2/7, 5/7, 2/3, 1/7, 7/7, Subtract: 6/10 - 2/10, 5/10, 1/10, 2/10, 4/10, Solve: 4/9 +3/9 = ?, 1/9, 7/9, 2/9, 8/9, 7/12 - 5/12 = ?, 1/12, 12/12, 2/12, 6/12, 3/6 + 2/6, 1/6, 5/6, 3/4, 4/6, 11/13- 2/13, 9/13, 7/13, 2/13, 6/13.

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