Question

: Tính :

  a,   7/8    -   3/4                                   b, 19/36  -  3/12    

Answer 1

a, =1/8

b,=5/18

Answer 2

1/8

5/18

Answer 3

7/8 -6/8

=1/8

19/36-9/36

=10/36=5/18

Answer 4

1.1/8

2.5/18

Answer 5

1/8
5/18

Answer 6

a, 7/8 - 3/4 = 1/8

b, 19/36 - 3/12 = 5/16

Answer 7

a) \(\dfrac{7}{8}-\dfrac{3}{4}=\dfrac{7}{8}-\dfrac{6}{8}=\dfrac{1}{8}\)

b) \(\dfrac{19}{36}-\dfrac{3}{12}=\dfrac{19}{36}-\dfrac{9}{36}=\dfrac{10}{36}=\dfrac{5}{18}\)

Answer 8