Question

Simran painted 2/3 of the wall space in her room. Her brother Rahul helped her paint
1/5 of the wall space. How much did they paint together? What part of the whole wall in left unpainted?

Answer 1

Answer:

Hey here is your answer

Narendra painted 2/3 area of wall

Ritesh painted 1/3 area of wall

The area of wall they painted together

=2/3 + 1/3

2+1/3

3/3

1

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Answer 2

Answer:

Area painted by them together:

$\frac{13}{15}$

Area left unpainted:

$\frac{2}{15}$

Step By Step Explanation:

Part of wall painted by Simran=

$\frac{2}{3}$

Part of wall painted by Rahul=

$\frac{1}{5}$

Area painted by them together=

• $\frac{2}{3} + \frac{1}{5}$
• $\frac{2 \times 5}{3 \times 5} + \frac{1 \times 3}{5 \times 3}$
• $\frac{10 + 3}{15}$
• $\frac{13}{15}$

Area left unpainted=

$1 - \frac{13}{15}$

• $\frac{1 \times 15}{1 \times 15} - \frac{13 \times 1}{15 \times 1}$
• $\frac{15 - 13}{15}$
• $\frac{2}{15}$

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