# Tag: Greatest Common Factor – Grade 6

## Fraction problem generator, thousands of questions

Select your worksheet topic: What is a fraction? (Basic introduction to fractions) Equivalent Fractions & Simplifying Fractions Proper Fractions, Improper Fractions and Mixed Fractions The Highest Common Factor (HCF) and the Lowest Common Multiple (LCM) Comparing Common Fractions Adding and Subtracting Fractions Multiplying Fractions Dividing Fractions Finding a fraction of a quantity Read more →...

## Highest Common Factor and Lowest Common Multiple

HCF Example Consider the numbers 12 and 15: The factors of 12 are : 1, 2, 3, 4, 6, 12. The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15). Therefore, the highest common factor of 12 and…...

## Find the greatest common factor of each set of numbers

Number Theory 1. 30 and 10 2. 20 and 40 3. 48 and 68 4. 40 and 75 5. 16 and 32 6. 60 and 72 7. 85 and 10 8. 84 and 44 9. 50 and 70 10. 96 and 90 11. 34 and 69 12. 54, 33, and 60 13. 45, 36, and…...