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Class-5»Maths

21/25-(3/5+4/5)+6/5-9/25 how to solve this simplipation

\frac{21}{25} - (\frac{3}{5} + \frac{4}{5}) + \frac{6}{5} - \frac{9}{25} = \frac{21}{25} - (\frac{3 + 4}{5}) + \frac{6}{5} - \frac{9}{25} = \frac{21}{25} - (\frac{7}{5}) + \frac{6}{5} - \frac{9}{25} = \frac{21}{25} - \frac{9}{25} + \frac{6}{5} - \frac{7}{5} = (\frac{21}{25} - \frac{9}{25}) + (\frac{6}{5} - \frac{7}{5}) = (\frac{21 - 9}{25}) + (\frac{6 - 7}{5}) = \frac{12}{25} + (- \frac{1}{5}) = \frac{12 + 5 \times (- 1)}{25} = \frac{12 - 5}{25} = \frac{7}{25}

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