Tolong di jawab pake cara....

1) 12-7/10
=12×10=120
=120-7/10
=113/10
=11 3/10(d)

2) 123/8 - 5/6 -11/4
= 8=2³
= 6=2×3
= 4=2²
kpk=2³×3=24

cara= 369-20-66/24
= 283/24
=11 19/24 (a)