Question

计算（能简算的要简算） 15/16-(2/3+1/4) 1/4-7/12+3/4-5/12

Answer 1

15/16-(2/3+1/4)

=15/16-(8/12+3/12)

=15/16-11/12

=1/12-1/16

=1/48

1/4-7/12+3/4-5/12

=(1/4+3/4)-(7/12+5/12)

=1-1

=0