Add and subtract mixed numbers with unlike denominators
ADDING OR SUBTRACTING MIXED NUMBERS WITH UNLIKE DENOMINATORS.
Step 1. |
Write equivalent fractions with the lowest common denominator. |
Step 2. |
Add or subtract the numerators of the fractions. |
Step 3. |
Add or subtract the whole numbers. |
Step 4. |
Simplify |
Add
The lowest common denominator is 15. Write equivalent fractions with the lowest common denominator, add the numerators of the fraction, add the whole numbers and simplify.

Add 4
Simplify your answer and write it as a proper fraction or as a whole or mixed number.