Question

4.5/7+2/3-1

Answer 1

4.5/7+2/3-1

=20/7 + 2/3 - 1

= 74/21 - 1

=53/21

Answer 2

53/21

Answer 3

\(\dfrac{4.5}{7}+\dfrac{2}{3}-1=\dfrac{20}{7}+\dfrac{2}{3}-1=\dfrac{20.3+2.7-21}{21}=\dfrac{60+14-21}{21}=\dfrac{53}{21}\)

Answer 4

53/21

Answer 5

= 53/21