Decimals & fractionsGrade 4
Mixed Numbers Operations practice
Add and subtract mixed numbers with the same denominator, such as 2 4/8 + 2 7/8.
Example problems
3
2
4
−
2
3
4
＝
4
3
1
2
4
−
1
1
4
＝
4
1
2
4
8
＋
2
7
8
＝
5
8
3
How a practice round works
A round has 10 problems from this skill. Type the digits into the dotted boxes; if a digit is wrong, you simply try again. Get 5 of your last 6 problems right on the first try to master the skill, then keep practicing to earn up to three stars.