20−57+3= \frac{20-5}{7+3}= 7+320−5=
First, let's solve the numerator of the fraction:
20−5=15 20-5=15 20−5=15
Now let's solve the denominator of the fraction:
7+3=10 7+3=10 7+3=10
We get:
1510=1510=112 \frac{15}{10}=1\frac{5}{10}=1\frac{1}{2} 1015=1105=121
112 1\frac{1}{2} 121