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anonymous

  • 4 years ago

i am needing help 3/10 and 6/7 fractions with common denominators then the sum

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  1. Akshay_Budhkar
    • 4 years ago
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    ok the basic concept in such questions is that u take the LCM of the two denominators

  2. Akshay_Budhkar
    • 4 years ago
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    so in this case we take the LCM of 7 and 10 , which is 70, so we multiply the numerator and denominator with the numbers so the we get equivalent fractions with denominators 70

  3. Akshay_Budhkar
    • 4 years ago
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    so for the first fraction we get\[{3 \over 10} = {3 \over 10} \times {7\over 7} = {21 \over 70}\]

  4. Akshay_Budhkar
    • 4 years ago
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    for the next fraction we have\[{6 \over 7} = {6\over7} \times { 10 \over 10} = { 60 \over 70}\]

  5. Akshay_Budhkar
    • 4 years ago
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    so now you can add them together\[{21 \over 70 } + {60 \over 70 } = { { 21+60} \over 70 } = {81 \over 70 }\]

  6. Akshay_Budhkar
    • 4 years ago
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    is it clear?

  7. anonymous
    • 4 years ago
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    yes ma'am it is my daughter didnt believe me so i asked for help lol

  8. Akshay_Budhkar
    • 4 years ago
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    * sir :D hehe no problem it is always better to confirm :D

  9. anonymous
    • 4 years ago
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    sorry

  10. Akshay_Budhkar
    • 4 years ago
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    no problem, ppl generally think my name is that of a girl lol :D And welcome to openstudy :D

  11. anonymous
    • 4 years ago
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    thanks i will be using this more often with her

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