change 1.4 to a fraction
its 1.4 would be 14/10 which reduces down to 7/5 so its 1 and 2/5ths
So lets start off with:4 tenths 4/101 shall be identically tantamount to 10/10. 10/10 + 4/10 = 14/10Okay now it's time to simplify it:14/10 = 7/5The answer is 7/5.I hope this helps you!