fractions

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Across
  1. 4. (a x b) x c = a x (b x c)
  2. 7. Where denominator is smaller than numerator
  3. 8. Fractions having same denominators
Down
  1. 1. Fractions with the same lowest form
  2. 2. Numerator becomes denominator and vice versa
  3. 3. 1/2 x 2
  4. 5. a + b = b + a
  5. 6. 1/0