Question

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Answer 1

Step-by-step explanation:

a)

$2 \times \frac{1}{5} \times \frac{11}{5}$

$4 \times \frac{3}{4} = \frac{19}{4}$

$\frac{11}{5} + \frac{19}{4}$

LCM of 4,5is 20

$\frac{11 \times 4}{5 \times 4} = \frac{44}{20}$

$\frac{19 \times 5}{4 \times 5} = \frac{95}{20}$

$\frac{44 + 95}{20} = \frac{139}{20}$

first answer

b)

$4 \times \frac{4}{5} - 3 \times \frac{7}{9}$

$\frac{24}{5} - \frac{44}{9}$

LCM OF 5,9 IS 45

$\frac{24 \times 9}{5 \times 9 } = \frac{216}{45}$

$\frac{44 \times 5}{9 \times 5} = \frac{220}{45}$

$\frac{216 - 220}{45} = \frac{ - 4}{45}$

here are the answers