Write these fractions appropriately as additions or subtractions:
(a)
In the first figure, 1 box is shaded out of 5 boxes. Therefore, fraction of shaded portion
In the second figure, 2 boxes are shaded out of 5 boxes. Therefore, fraction of shaded portion
In the third figure, 3 boxes are shaded out of 5 boxes. Therefore, fraction of shaded portion
Hence, the answer is
(b)
In the first circle, all the 5 parts are shaded. Therefore, fraction of shaded portion
In the second circle, 3 parts are shaded out of 5 parts. Therefore, fraction of shaded portion
In the third circle, 2 parts are shaded out of 5 parts. Therefore, fraction of shaded portion
Hence, the answer is
(c)
In the first rectangle, 2 circles are shaded out of 6 circles. Therefore, fraction of shaded portion
In the second rectangle, 3 circles are shaded out of 6 circles. Therefore, fraction of shaded portion
In the third rectangle, 5 circles are shaded out of 6 circles. Therefore, fraction of shaded portion
Hence, the answer is
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