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ICSE Class 7 Answered

4-3/4+9-2/5
Asked by Gillgurwinder80 | 01 Oct, 2018, 01:18: PM
answered-by-expert Expert Answer
begin mathsize 16px style 4 minus 3 over 4 plus 9 minus space 2 over 5
LCM left parenthesis 4 comma 5 right parenthesis space equals space 20
equals space fraction numerator 4 cross times 20 over denominator 20 end fraction minus space fraction numerator 3 cross times 5 over denominator 4 space cross times space 5 end fraction plus fraction numerator 9 space cross times space 20 over denominator 20 end fraction minus space fraction numerator 2 cross times 4 over denominator 5 cross times 4 end fraction
equals 80 over 20 space minus space 15 over 20 plus space 180 over 20 space minus space 8 over 20
equals fraction numerator 80 space space minus space 15 space plus space 180 space minus space 8 over denominator 20 end fraction
equals space 237 over 20 end style
Answered by Yasmeen Khan | 01 Oct, 2018, 04:04: PM
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