How do you subtract fractions with different denominators step by step?

How To Subtract Fractions With Different Denominators

  1. Step 1: Find the least common denominator. The least common denominator (LCD) is the lowest common multiple of the two denominators you’re working with.
  2. Step 2: Find the equivalent fraction.
  3. Step 3: Subtract the new numerators.
  4. Step 4: Simplify the answer if necessary.

Can you subtract two fractions with different denominators?

If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To subtract fractions with unlike denominators, rename the fractions with a common denominator. Then subtract and simplify.

How do you add mixed fractions with different denominators?

Adding mixed numbers with unlike denominators

  1. To add mixed numbers with different denominators, follow these steps:
  2. Then, add the whole numbers.
  3. Now, add the fractions. Add the numerators and keep the denominator the same.
  4. This answer is already in simplest form, so there is no need to regroup or simplify.

How do you simplify algebraic fractions with powers?

To do this, look for fractions where the numerator (top number) and the denominator (bottom number) are both multiples of the same times table. This tells you their common factor, which you use to divide the top and bottom number, in order to simplify or cancel down the fraction as required.

How do you add three mixed fractions with different denominators calculator?


  1. Step #1: Enter the numerator (top) and the denominator (bottom) of the first fraction.
  2. Step #2: Select + (plus) or – (minus) from the first add subtract fractions drop down menu.
  3. Step #3: Enter the numerator and denominator of the second fraction.
  4. Step #4:
  5. Step #5:
  6. Step #6: