3.4-Adding and Subtracting Mixed Numbers MATH 081 Catherine Conway

Adding and Subtracting Mixed Numbers Adding & Subtracting Add or subtract the whole number Add or subtract the fraction – must have common denominator first. Convert fraction into a mixed number and repeat step 1 and 2 if necessary. (Carry over) Borrowing in Subtraction with Mixed numbers Find common denominator Borrow 1 whole from the whole number Add it to the proper fraction Follow steps for adding and subtracting

Method #2 for adding and subtracting fractions (no borrowing) Convert all mixed numbers into improper fraction Find common denominator Rewrite equivalent fractions with common denominator Add or subtract Convert improper fractions back to a mixed number