A. Mixed numbers

UNIT 8: Mixed Numbers and Improper Fractions
R e vi s i o n N
ot
es
A. Mixed numbers
2
3
A mixed number such as 2 — is made up of 2 wholes and
2
— . It is made up of a whole number and a fraction.
3
2
3
2
3
2 — is made up of 2 wholes and — of a whole.
To perform an addition of mixed numbers where their
1
4
3
4
fractions are related, such as 2 — and 1 — , follow the steps
below:
Step 1: Add the whole numbers first.
1
4
3
4
1
4
3
4
2— + 1— = 2 + 1 + — + —
1
4
3
4
=3+ — + —
Step 2: Add the fractions.
1
4
3
4
4
4
3 + — + — = 3 + —
=3+1
=4
1
4
3
4
Thus, the sum of 2 — and 1 — is 4.
© Educational Publishing House Pte Ltd
135