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write the pair of the fractions as a pair of fractions with a common denominator : a.) 2/4 and 7/8. b.) 3/10 and 1/2. my answer for the a.) is 16/32-28/32. for b.) is 6/20-10/20 please let me know is my answers is right or not

• math -

Both are wrong.

The common denominator of 2/4 and 7/8 is 8.

The common denominator of 3/10 and 1/2 is 10.

• math -

so is 16/8-28/8 and 6/10-10/10

• math -

2/4 = 4/8

2/4 and 7/8 = 4/8 and 7/8

3/10 and 1/2 = 3/10 and 5/10

• math -

thank you for help me

• math -

You're welcome.

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