Subtracting Fractions with Unlike Denominators - Basic Math

What is a common denominator for the fractions 7/8 and 3/5?

• 8

• 5

• 40

• 13

When converting 7/8 to an equivalent fraction with a denominator of 40, what is the new numerator?

• 7

• 35

• 8

• 24

What is the final answer when you subtract 3/5 from 7/8?

• 11/40

• 1/40

• 35/40

• 24/40

What is the result of subtracting 1/7 from 4/9?

• 19/63

• 28/63

• 9/63

• 1/63