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Adding and subtracting fractions
You've already got 2 cups of sugar in the cupboard. Your grandmother's recipe for disgustingly-sweet-fudge-cake calls for 3 and 1/3 cups of sugar. How much sugar do you need to borrow from you robot neighbor?
Adding and subtracting fractions is key. It might be a good idea to look at the equivalent fractions tutorial before tackling this one.
With like denominators, you're basically just adding numerators. That's not too bad, right? Can the resulting fraction be simplified?
Add two fractions with the like denominators.
Just like when we added...subtracting fractions is pretty straightforward when the two fractions have like denominators.
Solve a subtraction problem with two fractions with like denominators.
You mean a spider has MORE than 2 eyes? Yikes!
Better get practicing, Pedro! You have exactly (a fraction) more of an hour to practice the piano.
Add the fractions to find out how long this lizard is.
Practice solving word problems by adding and sutbracting fractions. The fractions used in these problems have like (or common) denominators.