1. A water tank was 20/21 full. If 3/5 of it was used to water the plants, what fraction of the tank was used in watering the plants?
* Understand:__________
* Plan:__________
*Solve:___________
*Look Back__________
* Understand:__________
* Plan:__________
*Solve:___________
*Look Back__________
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Answer:
UNDERSTAND:
The fraction of the tank was used in watering the plants.
A water tank was 20/21 full, 3/5 of it was used to water the plants
PLAN
Find the difference
SOLVE
Adjust both fractions to a common (equal, identical) denominator.
²⁰/₂₁ = ¹⁰⁰/₁₀₅
³/₅ = ⁶³/₁₀₅
¹⁰⁰/₁₀₅ - ⁶³/₁₀₅ = ³⁷/₁₀₅
LOOKBACK
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