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Question
Add the following fractions:
`2/5,2 3/15` and `7/10`
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Solution
`2/5,2 3/15` and `7/10`
= `2/5+33/15+7/10`
= `(2xx6)/(5xx6)+(33xx2)/(15xx2)+(7xx3)/(10xx3)` ........(L.C.M. of 5, 15 and 10 = 30)
= `12/30+66/30+21/30`
= `(12+66+21)/30=99/30=(99÷3)/(30÷3)`
= `33/10=3 3/10`
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