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Grade 7 math · M.20 · Operations with fractions and decimals

Order of operations with fractions: add, subtract and multiply

Work in order: parentheses, then multiply and divide, then add and subtract. Write a fraction in lowest terms or a whole number.

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  1. Evaluate: (−4/5 − (−1/5)) − (−3/8) (Write a fraction in lowest terms, or a whole number.)

    Answer: -9/40

  2. Evaluate: −1/2 + (−5/6) − (−7/10) (Write a fraction in lowest terms, or a whole number.)

    Answer: -19/30

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

    Answer: 1/20

Tip: Work in order: parentheses, then multiply and divide, then add and subtract. Write a fraction in lowest terms or a whole number.

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