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First Year maths · M.5 · Operations with fractions and decimals

Add and subtract fractions with negatives

Give the answer as a fraction in lowest terms, or a whole number.

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See worked examples
  1. Evaluate: −1/5 − (−5/8) (Write a fraction in lowest terms, or a whole number.)

    Answer: 17/40

  2. Evaluate: −1/3 − 4/5 (Write a fraction in lowest terms, or a whole number.)

    Answer: -17/15

  3. Evaluate: −1/3 + (−1/6) (Write a fraction in lowest terms, or a whole number.)

    Answer: -1/2

Tip: Give the answer as a fraction in lowest terms, or a whole number.

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