Free · Worked example · 48 problems · Answer key · US Letter
How to do it
Find the least common denominator (LCD). Rewrite both fractions with it, then add.
53+41=2012+205=2017rewrite with denominator 20 Example problems
- 92+61=
- 31+109=
- 81+65=
- 115+43=
Adding and subtracting fractions
- Adding fractions with related denominators
- Subtracting fractions with related denominators
- Adding fractions with unlike denominators
- Subtracting fractions with unlike denominators
- Adding mixed numbers
- Subtracting mixed numbers
- Subtracting mixed numbers with borrowing
- Adding and subtracting three fractions