Addition and subtraction sentences with fractions are math equations that show how fractional parts are combined or taken away. Each sentence includes fractions, an operation sign (+ or −), and an equal sign (=) to show the result.
A fraction sentence always shows a complete idea — it begins with fractions, includes an operation, and ends with an answer.
When fractions have the same denominator, add only the numerators and keep the denominator the same.
Only the numerators change when adding fractions with the same denominator. The denominator stays the same.
When fractions have different denominators, find a common denominator before adding. A common denominator is a number both denominators can divide evenly into.
Always make denominators the same before adding. Then simplify the fraction if needed.
To subtract fractions, make sure the denominators are the same. Subtract the numerators and keep the denominator unchanged.
If denominators are different, find a common denominator before subtracting. Simplify your answer when possible.
Sometimes a math sentence has a missing fraction or number. Use your knowledge of fractions to find the missing value that makes the sentence true.
Check your answer by doing the opposite operation. If both sides of the equation match, your sentence is correct.
Using a number line or drawing fraction models can help you see how fractions are added or subtracted. Visuals make it easier to understand the size of each part.
Fraction sentences show how parts relate to a whole. Knowing how to complete and solve them helps you understand addition and subtraction with fractions clearly.