Curriculum
Course: Mathematics — First Preparatory
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Curriculum

Mathematics — First Preparatory

Unit 1: Numbers

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Unit 2: Algebra

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Unit 3: Statistics

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Unit 4: Geometry

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Text lesson

Operations on Rational Numbers

Mathematics — First Preparatory

Operations on Rational Numbers

Lesson summary

Lesson summary

  • A rational number is any number that can be written as a/b with b ≠ 0.
  • Addition and subtraction require equal denominators.
  • Multiplication multiplies the numerators and the denominators. Division multiplies by the reciprocal.
  • Always write the final answer in its simplest form.
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