Hello Prince
1.5 × 1.25
= 15/10 × 125/100
= 1/1000 × 15 × 125
= 1/1000 × 125 × 15
= 1/1000 × 125 × (10 + 5)
= 1/1000 × 125 × 10 + 1/100 × 125 × 5
= 1250/1000 + 625/1000
= (1250 + 625)/1000
= 1875/1000
= 1.875
Written on Sept. 26, 2017, 11:12 a.m.