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Here are some profession-specific ways fractions are essential in various careers:

Medical Professionals - Doctors and nurses calculate medication dosages based on patient weight and age, often requiring fractional amounts. Pharmacists mix compounds using precise fractional ratios. Physical therapists track patient progress in fractional improvements.

Architects and Engineers - Building plans use fractional measurements constantly. Load calculations require determining fractions of maximum capacity. Scale drawings represent real measurements as fractions (1/4 inch = 1 foot).

Chefs and Bakers - Professional kitchens scale recipes up or down using fractions. Bakers especially rely on precise fractional measurements since baking is essentially chemistry. Food cost calculations involve determining fractional portions.

Financial Professionals - Accountants work with fractional percentages for interest rates, depreciation, and tax calculations. Investment advisors discuss portfolio allocations in fractions. Insurance agents calculate fractional risk assessments.

Fashion Designers and Tailors - Pattern making requires fractional seam allowances and adjustments. Taking measurements and alterations involve adding or subtracting fractional inches for proper fit.

Mechanics and Technicians - Auto mechanics work with fractional wrench sizes and torque specifications. HVAC technicians calculate fractional BTU requirements. Electrical work involves fractional amperage and voltage calculations.

Farmers and Agricultural Workers - Mixing fertilizers and pesticides requires fractional concentrations. Crop yield calculations involve fractions of acres and bushels. Livestock feed ratios use fractional measurements.

Graphic Designers and Photographers - Image scaling and aspect ratios are fractional relationships. Print layouts use fractional spacing and margins.

These examples show students that fractions aren't just academic exercises but practical tools that professionals use to solve real problems and make important decisions in their work.

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Add/Subtract Fractions - Unlike Denominators

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Add/Subtract Fractions - Unlike Denominators

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Here they all are on one playlist. Don’t forget you can fast forward, speed me up or slow me down to save time when I go over something you understand. You c…

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In this unit, you are learning to

Order rational numbers on a number line.

Add rational numbers.

Subtract rational numbers.

Solve word problems involving rational numbers.

Use the additive inverse, commutative and associative properties to simplify addition and subtraction problems with rational numbers.