Beginner · 10 min
Fractions and equal parts
Recognize equivalent fractions and add equal-sized parts.
Equivalent fractions
Multiplying the numerator and denominator by the same nonzero number keeps the fraction's value unchanged.
Worked example
1/2 = 2/4 = 3/6
Add like denominators
When denominators match, the pieces are the same size. Add their numerators and keep the denominator.
Worked example
2/7 + 3/7 = 5/7
Try it on paper
- Write down each step before entering your answer.
- Use the explanation to check your method, then try the next question.