NCERT Class 7 Mathematics Solutions: Chapter 2 – Fractions and Decimals Exercise 2.2 Part 3

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Addition of fractions

Addition of Fractions

(3) – (b)

Triangle Shaded and Unshaded Figure

Explanations:

Since

Mixed fraction represents the shaded parts of the model.

In 2 are whole shaded model. 1 shaded & 3 unshaded parts

So, 2(whole) (shaded)

Therefore, mixed fraction

Question 3: Multiply and reduce to lowest form and convert into a mixed fraction:

(1)

Answer:

Given,

So,

(Here, )

(2)

Answer:

Given,

So,

(Here,)

(3)

Answer:

Given,

So,

(Here,)

(4)

Answer:

Given,

So,

(Here,)