Question

2 by 3 minus 3 by 4 into 4 by 5

Answer 1

1/15 is the answer.
Explanation:
2/3 - 3 /4 x 4/ 5
=2/3 - 12/20
=2/3-3/5
=10-9/15
=1/15

Answer 2

Heya !!

$\dfrac{2}{3} - \dfrac{3}{4} \times \dfrac{4}{5}\\\\\text{According to BODMAS, Multiplication first. So,}\\\\\dfrac{2}{3} - \dfrac{3}{4} \times \dfrac{4}{5}\\\\\\= \dfrac{2}{3} - \dfrac{3}{5} \\\\= \dfrac{10 - 9}{15}\\\\\\= \large \underline{\boxed{\boxed{\dfrac{1}{15}}}}$

Hope it helps !!