Question

resolver con el procedimiento:
4/7 + 2/3
1/2 + 3/4
7/10 + 1/5
3/4 + 5/6

Answer 1

4/7+2/3 m.c.m. 21 4*3/27 + 2*7/27 = 12/27 + 14/27 = 26/27

1/2+3/4 m.c.m. 4 1*2/4 + 3*1/4 = 5/4

7/10+1/5 m.c.m. 10 7*1/10 + 1*2/10 = 9/10

3/4+5/6 m.c.m. 12 3*3/12 + 5*2/12 = 19/12
espero que sirva