What this covers
Multiplying Fractions is taught in Grade 5 (age 10 to 11) as a topic to introduce. It sits in the Fractions strand.
Worked example
Calculate 35 × 27.
- Multiply the numerators: 3 × 2 = 6.
- Multiply the denominators: 5 × 7 = 35.
- Check if 635 can be simplified; it is already in lowest terms.
Answer: 635
Difficulty scale
The sheet generator offers five difficulty settings for this topic.
- Multiplying a unit fraction by a whole number or another unit fraction
- Multiplying two proper fractions with denominators under 10, no simplifying needed
- Multiplying proper fractions requiring cross-simplification
- Multiplying whole numbers and mixed numbers
- Multiplying two mixed numbers, simplifying the final result
Common mistakes
- Cross-multiplying numerators and denominators instead of multiplying across
- Attempting to find a common denominator before multiplying
Curriculum links
Indicative matches to Common Core State Standards. Check wording and codes against the official document.
- 5.NF.B.4 Multiply a fraction by a whole number or another fraction and compute rectangular areas with fractional sides.