Question

What must be added to 1 to get 3/15 ?​

Answer 1

Let the number be x

1+x=3/15

x=3/15-1

x= 3-15/15

x= -12/15

x= -4/5

follow me ( ◜‿◝ )♡

Answer 2

Hope this helps you ;)

$\frac{3}{15} - 1$

$= \frac{3 - 15}{15}$

$= \frac{ - 12}{15}$

$= \frac{ - 4}{5}$

$( \frac{ - 4}{5} ) \: should \: be \: added \: to \: 1 \: to \: get \: (\frac{3}{15} )$