tolong jawab gambar diatas

1.)3/4+16/3=9/12+64/12=73/12= 6 1/12
2.)6/10+1/2÷(2/3⁻1/4)ₓ5/4
=3/5+1/2÷(8/12-3/12)×5/4
=3/5+1/2÷5/12×5/4
=3/5+(1/2÷5/12×5/4)
=3/4+3/2
=3/4+6/4=9/4(2 1/4