Question

3/4 - 2/5=

5/4-11/12=

Answer 1

15/20 - 8/20 = 7/20

15/12 - 11/12= 4/12 = 1/3

Answer 2

7/20

1/3

Answer 3

\(\dfrac{3}{4}-\dfrac{2}{5}=\dfrac{15}{20}-\dfrac{8}{20}=\dfrac{7}{20}\)

\(\dfrac{5}{4}-\dfrac{11}{12}=\dfrac{15}{12}-\dfrac{11}{12}=\dfrac{1}{4}\)

Answer 4

=15/20-8/20

=7/20

=15/12-11/12

=4/12=1/3

Answer 5

3/4 - 2/5 = 15/20 - 8/20 = 7/20

5/4 - 11/12 = 15/12 - 11/12 = 4/12 = 1/3

Answer 6

7/20 

1/3