a: 27/36=3/4
b: 72/96=3/4
c: 55/110=1/2
d: 88/99=8/9
\(\dfrac{27}{36}=\dfrac{27:9}{36:9}=\dfrac{3}{4}\)
\(\dfrac{72}{96}=\dfrac{72:24}{96:24}=\dfrac{3}{4}\)
\(\dfrac{55}{110}=\dfrac{55:55}{110:55}=\dfrac{1}{2}\)
\(\dfrac{88}{99}=\dfrac{88:11}{99:11}=\dfrac{8}{9}\)
a \(\dfrac{3}{4}\)
b \(\dfrac{3}{4}\)
c \(\dfrac{1}{2}\)
d \(\dfrac{8}{9}\)