Becky tried to evaluate an expression step by step.
\quad\begin{aligned} &\dfrac{4}{5} +7 -\dfrac{5}{4} \\ =&\dfrac{4}{5} -\dfrac{5}{4}+7&\green{\text{St ep } 1} \\ \\ =&0+7&\blue{\text{Step } 2} \\ \\ =&7&\purple{\text{Step } 3} \\ \\ \end{aligned}
=
=
=


5
4

+7−
4
5


5
4

−
4
5

+7
0+7
7


Step 1
Step 2
Step 3