Suma y Resta De Fracciones Con Diferente Denominador

3/5 - 1/3

6/7 + 8/3

3/5 + 3/15 - 3/10

5/6 - 3/8

31/21 - 3/14

3/4 + 2/5 + 1/6

7/9 + 15/ 15

3/4 + 3/10

21/20

41/45

79/60

15/30

53/42

74/21

11/24

4/15