ADDING RATIONAL NUMBERS

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Across
  1. 3. the top number of a fraction
  2. 4. result of addition
  3. 7. refers to a number that can be written as a ratio of two integers a/b, where b is not equal to 0
  4. 8. fractions with the same denominators
Down
  1. 1. a fraction in which the numerator is greater than the denominator
  2. 2. the bottom number of a fraction
  3. 5. represent equal parts of a whole or a collection
  4. 6. fractions with unlike denominators