Question

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Answer 1

\(a,\dfrac{5}{8};\dfrac{87}{86};\dfrac{99}{100}\\ b,\dfrac{25}{45}=\dfrac{5}{9};\dfrac{55}{88}=\dfrac{5}{8}\)

Answer 2

a) 5/8, 99/100, 87/86

b)

\(\dfrac{25}{45}=\dfrac{25:5}{45:5}=\dfrac{5}{9}\\ \dfrac{55}{88}=\dfrac{55:11}{88:11}=\dfrac{5}{8}\)

Answer 3

a) 5/8, 99/100, 87/86

b)25/45=5/9; 55/88=5/8