Adding Fractions Using the Butterfly Method - Basic Math

When using the butterfly method to add fractions, what is one of the first products you calculate?

• The sum of the numerators.

• The product of the denominators.

• The product of a numerator and the opposite denominator.

• The difference between the numerators.

For the problem 2/5 + 3/7, what is the numerator of the final answer after performing the cross-multiplication and addition steps?

• 15

• 14

• 29

• 35

In the butterfly method, how do you find the denominator of the final answer when adding 2/9 + 3/5?

• Add 9 and 5.

• Multiply 9 and 5.

• Subtract 9 from 5.

• Divide 9 by 5.

What is the sum of 2/9 + 3/5?

• 37/45

• 27/45

• 10/45

• 5/14