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Solve these questions 4. Find the missing numbers

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a) \frac{2}{7} + \frac{6}{7} = \frac{2 + 6}{7} = \frac{8}{7} b) \frac{6}{10} - \frac{8}{15} = \frac{18 - 16}{30} = \frac{2}{30} = \frac{1}{15} c) 4 - \frac{3}{7} = \frac{28 - 3}{7} = \frac{25}{7} d) 3 \frac{3}{4} + 5 \frac{1}{2} = \frac{15}{4} + \frac{11}{2} = \frac{15 + 22}{4} = \frac{37}{4} e) 9 + \frac{5}{11} = \frac{99 + 5}{11} = \frac{104}{11} f) 8 \frac{1}{3} - 2 \frac{5}{8} = \frac{25}{3} - \frac{21}{8} = \frac{200 - 63}{24} = \frac{137}{24} Similarly try other parts

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