# Grade 7 Math - Strategies for Adding and Subtracting Rational Numbers

Apply properties of operations as strategies to add and subtract rational numbers.

## TOPICS RELATED TO STRATEGIES FOR ADDING AND SUBTRACTING RATIONAL NUMBERS

### What happens if you add two rational numbers?

"the sum of rational numbers is rational." So, adding rationals is the same as adding two such fractions, so as to bring about another fraction of this equal form in view that integers are closed underneath addition and multiplication. accordingly, including rational numbers produces any other rational wide variety.

### How do you add two rational expressions?

If the two rational expressions which you want to add or subtract have the same denominator you simply upload/subtract the numerators which each different. when the denominators aren't the same in all expressions which you want to feature or subtract as in the instance below you need to discover a commonplace denominator.

### How do you add rational numbers step by step?

there are some steps to comply with when you upload or subtract rational expressions with in contrast to denominators. To feature or subtract rational expressions with not like denominators, first locate the lcm of the denominator. ... Write each expression the usage of the lcd. ... Add or subtract the numerators. Simplify as wanted.

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