Em...math??

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Across
  1. 1. A line segment that forms a triangle
  2. 2. Can be converted into fractions
  3. 8. The lowest side of triangle
  4. 10. A number with a whole number part and a fraction part
  5. 11. The triangle that all sides are different
  6. 13. The triangle that all sides are equal
  7. 14. The triangle that two sides are eaqual
  8. 15. The numerator is bigger than the denominator
Down
  1. 1. A fraction with the smallest numbers for both its numerator and denominator
  2. 3. The smallest denominator possible for two or more denominators
  3. 4. Height of triangle
  4. 5. The longest side of a triangle
  5. 6. The triangle that one angle is right
  6. 7. The number that is lower part of a fraction
  7. 9. The number that is upper part of a fraction
  8. 12. The numerator is smaller than the denominator