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Basic Math/Adding Fractions
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Question
How do you compute this problem:
3 1/7 - 3/7 + 5/7 = ?
and
5 1/7 - 4/7 + 1 5/7 = ?
I do not know the steps to calculate this problem. Thanks!
Easiest thing to do is the addition first and then you have enough 7ths in order to do the subtraction.
3 1/7 + 5/7 - 3/7 =
3 6/7 -3/7 = 3 3/7
and
5 1/7 + 1 5/7 - 4/7 =
6 6/7 - 4/7 = 6 2/7
The other way is to convert the mixed fractions to improper fractions.
3 1/7 - 3/7 + 5/7 =
22/7 - 3/7 + 5/7 = 24/7 = 3 3/7
5 1/7 - 4/7 + 1 5/7 =
36/7 - 4/7 + 12/7 = 44/7 = 6 2/7
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| Comment | Thank you! Very clear, concise and timely. Thank you VERY much! My daughter will be very happy. | ||
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Basic Math
Answers by Expert:
Lynn Houston
Expertise
I can answer questions in basic algebra and any grade school math.
Experience
Love math, currently helping my nephew get through Intermediate Algebra.
Education/Credentials
I majored in Math Ed in college (but decided not to teach), so have over 40 credits of math.
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