Question

Calcule:
PORFAVOR ME AJUDDAAA É PRA HOJEEE
5/6 + 3/8
2/5 + 3/4
7/10 - 1/6
3/8 - 5/12 + 1/6
7/6 - 2/5 - 7/20
4/5 -5/6 + 7/10
10/21 x 3/10
9/20 x 40/27
3/10 x 5/12
4/7 x 7/13
2/7 : 3/5
1/12 : 1/4
5/21 : 15/14
GENTE PORFAVOR

Answer 1

5/6 + 3/8 = 29/24   

 5/6+3/8 =    mmc (6-8) = 24/6=4x5=20          24/8=3x3=9      29/24