^fractions lesson^
8 5/12 : 1 3/4
step 1:
(8 × 12 + 5)/12
=101/12
step 2:
(1 × 4 + 3)/4
=7/4
ok, enter:
101/12 : 7/4
=101/12 × 4/7
=404/84
=4 68/84
=4 17/21
