To find the sum of 7/8 - 4/8, you can draw rectangular diagrams to represent each fraction.
First, draw a rectangle divided into 8 equal parts. Shade in 7 of the parts to represent 7/8.
Next, draw another rectangle divided into 8 equal parts. Shade in 4 of the parts to represent 4/8.
To subtract the two fractions, you can physically remove the shaded part of the second rectangle from the shaded part of the first rectangle.
After removing 4 shaded parts from the 7 shaded parts, you are left with 3 shaded parts in the first rectangle.
So, 7/8 - 4/8 = 3/8.
Draw diagrams to show them sum 7/8-4/8=
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