Question

1/4 + 1/2 +3/5=?
8/9 - 2/3 ÷ 5/6=?
9/5 ÷ ( 3/8 + 3/4 )=?

4+(3/5)
----------- =?
1+(1/2)

Ayúdenme porfa

Answer 1

1/4 + 1/2 + 3/5= 5/20 + 10/20 + 12/20= 27/20

8/9 - 2/3 ÷ 5/6= 8/9 - 12/15= 40/45 - 36/45= 4/45

9/5 ÷ (3/8 + 3/4)= 9/5 ÷ (3/8 + 6/8)= 9/5 ÷ 9/8= 72/45= 8/5 (simplificado)

4 + (3/5)= 4/1 + 3/5)= 20/5 + 3/5= 23/5