# How to do addition of fractions 3

Adding Fractions. fraction. A fraction like 3 4 says we have 3 out of the 4 parts Step 1: Make sure the bottom numbers (the denominators) are the same; Step 2: . Note: The rules for adding and subtracting improper fractions are the same as Step 3: Since our fractions now have equal sized slices, we can subtract their. To add fractions with common denominators, all you have to do is add the two numerators leaving the denominator the same. In this example you'd add 1 + 2 = 3.

When adding and subtracting fractions, the first thing to check is if the denominators are the If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator. 3/33 + 22/33 = 25/ Finding a Missing Numerator or Denominator in Addition . If fractions have the same denominator (name), then we can simply add the. This calculator will perform any combination of addition and subtraction on three fractions -- regardless if the three fractions have the same or different.

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