Fractions Youtube Lecture Handouts
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TRICK 1: For adding, subtracting, comparing unlike fractions (with different denominators)  Do not take LCM or do Cross Multiplication TRICK 2: Factorize ALL numerators & denominators TOGETHER of fractions involved in multiplication or division TRICK 3: Knowing when to convert fractions to decimals TRICK 4: Reciprocals for comparison
Fractions “Interesting” Numbers?
Part of Whole
Fractions on Number Line
Terms

Numerator

Denominator

Reciprocal

Equivalent Fractions

Like Fractions

Unit Fractions
Adding/Subtracting/Comparing like Fractions
Adding/Subtracting/Comparing Unlike Fractions
Adding/Subtracting/Comparing Unlike Fractions
Multiplying Fractions
Division Invert (Reciprocal) and Multiply
Proper, Improper ⇿ Mixed Fractions
Sample Problems
Eight people are planning to share equally the cost of a rental car, if one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by
Sample Problems
2 trees are growing sidebyside. One grows at 3/5 of the other. In 4 years total growth of the trees is 8 ft. what growth will smaller tree have in 2 years?
One Tricky but Common Problem
, . Find the smallest
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Unitary Method

Rates

Work Done

Pipes and Cisterns

Speed!

Mayank