Question

Express (15/4+5/40) asa decimal fraction without actual division

Answer 1

Sol: 15/4 + 5/40 = 15/4 + 1/8                   = [(15x25) / (4x25)] + [(1 x 25/2) / (8 x 25/2)]                    = (375/100) + [(25/2) / 100]                    = (375/100) + (12.5/100)                    = 3.75 + 0.125                    = 3.875