Explanation
1 Shift the decimal points of both 12.24 and 0.34 to the right by 2 decimal places.
(This is needed to convert 0.34 to 34, since long division must divide by a whole number.)
1
2
2
4
3
4
34
1224
2 Set up the long division.
3 4 | 1 2 2 4
3 Calculate 122 ÷ 34, which is 3 with a remainder of 20.
3
3 4 | 1 2 2 4
1 0 2
2 0
4 Bring down 4, so that 204 is large enough to be divided by 34.
3
3 4 | 1 2 2 4
1 0 2
2 0 4
5 Calculate 204 ÷ 34, which is 6.
3 6
3 4 | 1 2 2 4
1 0 2
2 0 4
2 0 4
6 Therefore, 12.24 ÷ 0.34 = 36.
3
6
Answer
36