Mid-Chapter Check
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To add or subtract fractions, they need to have the same denominator.
- 4/5
When adding or subtracting fractions, they should have the same denominator. In this exercise, we have two fractions with the same denominator.
a-b = a+(- b)
Put minus sign in numerator
Add fractions
Add terms
a/b=.a /3./.b /3.
Put minus sign in front of fraction