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Education Week · 13h

Fractions Still Stump Students. Here’s How to Help

Another common struggle: the parts-of-a-whole problem. Fractions are introduced through the “pizza model,” but students’ thinking often gets stuck there. Taking two slices from an eight-slice pizza is easy to comprehend, but taking two slices out of two different pizzas—one with six slices and another with seven—is difficult to grasp.
Icon for www.bbc.co.ukBBC · Aug 28, 2020

Add and subtract factions with the same denominator

Add the numerators (top numbers) Don't add the denominators (bottom number). This stays the same. Simplify the fraction if required. Add the numerators: \(\frac{2}{7} + \frac{4}{7} = \frac{6}
Icon for www.bbc.co.ukBBC · Dec 17, 2021

How to add fractions

3⁄5 is equivalent to 6⁄10. 1⁄10 already has a denominator of 10 so does not need to change. The simplest approach is to add the improper fractions using a common denominator. close common ...