Visual representation of fraction subtraction using a number line to estimate 9/10 - 2/5 ≈ 1/2 and 1 - 1/2 = 1/2.
Number line showing fractions 9/10 and 2/5, with approximations 9/10 - 2/5 ≈ 1/2 and 1 - 1/2 = 1/2.
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ID: #354413