What is the sum of 5/6+7/8?

1 Answer
Nov 29, 2016

41/24

Explanation:

To add fractions ,same denominator is required.
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Same denominator is the least non-zero common multiple of the
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given denominator 6" " and " "8.
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We can list the multiples of each number then select the least
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non-zero common multiple .
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Multiples of " "6:
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0," "12," "18," "24," "30
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Multiples of " "8:
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0," "8," "16," "24....
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Once you reach the first non-zero common multiple, no need to
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compute all multiples.
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L.C.M(6,8)=24
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Let us find the sum:
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5/6 + 7/8
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=(5xx4)/(6xx4) +(7xx3)/(8xx3)
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=20/24 + 21/24
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=41/24