Question

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Answer 1

$\frac{3}{5} + \frac{1}{5} = \frac{3 + 1}{5} = \frac{4}{5}$

$\frac{6}{13} + \frac{2}{13} = \frac{6 + 2}{13} = \frac{8}{13}$

$\frac{22}{15} - \frac{9}{15} = \frac{22 - 9}{15} = \frac{13}{15}$

$\frac{31}{21} - \frac{11}{21} = \frac{31 - 11}{21} = \frac{20}{21}$

Answer 2

1 a) 3/5+1/5=4/5
b) 6/13+ 2/13=8/13
c) 22/15- 9/15=13/15
d) 31/21- 11/21=20/21