Question

Calcula : a) (3 + 1/4) - (2 + 1/6) b ) (2 + 3/4) + (1 + 2/5)​

Answer 1

a) [3+1/4]-[2+1/6]

[3+ 1/4 ]−[2+ 1/6 ]=[ 13/4 ]−[ 13/6]= 13/12