
Method:
Add the whole numbers first 12 + 1 = 13 Add the fractional part 3/4 + 1/2 Denominators are 4 and 2, LCM is 4. Multiply and divide each fraction by LCM 3/4 * 4/4 = 3/4 1/2 * 4/4 = 2/4 Adding 3/4 + 2/4 = 5/4 Answer: 13 5/4
Directions: Add or subtract the following mixed numbers. Also write at least ten examples of your own. 