How do you add fractions with different denominators step by step?
Here’s the way to do it:
- Cross-multiply the two fractions and add the results together to get the numerator of the answer. Suppose you want to add the fractions 1/3 and 2/5. …
- Multiply the two denominators together to get the denominator of the answer. …
- Write your answer as a fraction.
How do you add and subtract fractions step by step?
Step 1: Find the Lowest Common Multiple (LCM) between the denominators. Step 2: Multiply the numerator and denominator of each fraction by a number so that they have the LCM as their new denominator. Step 3: Add or subtract the numerators and keep the denominator the same.
What are the three steps in order when adding or subtracting fractions with different denominator?
Add or subtract fractions with different denominators
- Find the LCD.
- Convert each fraction to an equivalent form with the LCD as the denominator.
- Add or subtract the fractions.
- Write the result in simplified form.