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How to add fractions step by step with unlike denominators

For how to add fractions step by step with unlike denominators solve fractions in following 4 steps:

  1. Cross multiply numerators and denominators of fractions
  2. Take sum of cross-multiplication
  3. Take product of denominators of fractions
  4. Divide sum of cross-multiplication with product of denominators.

Example

How do you add two fractions 3/5 and 2/9?

Solution

To add these two fractions proceed as follows:

How to add fractions step by step with unlike denominators

For solving SAT word problems involving fractions all you have to do is to identify fractions and then follow above four steps to add two fractions.

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