Question

Prove that's the decimal number 9.86 is a rational by finding its fractional form

Answer 1

9.86 = 9.86/1 = (9.86 x 100) / (1 x 100) = 986/100, GCF of 986 and 100 is 2, (986/2) / (100/2) = 493/50  The fractional form of 9.86 is 943/50.