Necesito 5 suma 5 resta 5 divisones 5 multiplicasiones de fraccione spor fa sip

1
Suma:

3/2 + 4/2 = 7/2
5/4 + 7/4 = 12/4
1/2 + 1/3 = 5/6
2/4 + 8/4 = 10/4
1/3 + 2/3 = ·/3

Resta

5/4 - 2/4 = 3/4
8/7 - 2/7 = 5/7
6/9 - 3/9 = 3/9
4/2 - 3/2 = 1/2
3/3 - 2/3 = 1/3
Division
2/4 : 2/3 = 6/8
1/2 : 2/7 = 7/4
3/3 : 4/4 = 12/12
2/8 : 7/9 = 18/56
2/6 : 6/2 = 12/12

Multiplicacion

2/2 x 4/5 = 8/10
1/3 x 7/7 = 7/21
5/6 x 9/8 = 45/48
4/2 x 9/9 = 36/18
2/7 x 9/1 = 18/7

Respuestas

2014-03-01T04:12:18+01:00
15+15=30                              49/7=7
10+5=15                             
8+8=16
1+1=2
3+2=5
15-5=10                     
10-10=0
2-1=1
15-10=5
5-1=4