5. Fractions
5.07 Add and subtract mixed numbers
Lesson
Are you ready?
Do you still remember how to add or subtract fractions with like denominators? Let's try a problem to review.
Find the value of $\frac{3}{4}-\frac{1}{4}$34−14.
Learn
This video shows how to add and subtract mixed numbers with like denominators.
Apply
Work out $8\frac{1}{100}+9\frac{3}{100}$81100+93100.
Remember!
To add or subtract mixed numbers, we can:
- split each mixed number into a sum of its whole part and fractional part
- add or subtract the whole parts and the fractional parts separately
- add the numerators and copy the denominator of like fractions
- combine the two parts of the answer into a single fraction, a whole number or mixed number