Rational numbers

12345678
Across
  1. 4. H.C.F
  2. 5. (x*y)*z=x*(y*z)is a associative law
  3. 7. Lowest form of a Multiple
Down
  1. 1. L.C.M
  2. 2. Reciprocal of a no.
  3. 3. Identify element of addition
  4. 5. (x+y)+z=x+(y+z)is a associative law
  5. 6. number who's reciprocal is same
  6. 8. Negative of a no.