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The bar modeling method, also called tape diagrams, are use in Singapore Math and the Common Core. This was 1/3 hr shorter than the time he took to paint scenery.
Divide fractions by flipping the second fraction in each equation and turning it in to a multiplication problem. For example, 2/3 divided by 1/9 is changed to 2/3 x 9/1, which equals 18/3.
Simplify improper fractions by turning them in to mixed numbers.
The denominator, or bottom half of the fraction, represents how many parts make up a whole.
The numerator, or top half of the fraction, represents how many parts are being discussed.
Multiply the numerators by the same number you multiplied the denominators by. Add or subtract the numerators and leave the denominator the same. This is done by dividing the numerator and denominator of the fraction by their greatest common factor.
6/50 would become 3/25 because 2 is the greatest common factor of 6 and 50.
Find the least common denominator for a pair of fractions that do not have the same denominator.
For example, 2/4 and 1/3 would need to be changed to have a denominator of 12.
This article has over 857,295 views, and 17 testimonials from our readers, earning it our reader-approved status. Fraction questions can look tricky at first, but they become easier with practice and know-how.
Start by learning the terminology and fundamentals, then pratice adding, subtracting, multiplying, and dividing fractions.