Fractions and Chapter 2
2 × 7 2 cm 2. The numbers 15 2 and 7 2 are fractions. T o calculate the area of the given rectangle, we need to know how to multiply fractions. W e shall learn that now . 2.3.1 Multiplication of a Fraction by a Whole Number Observe the pictures at the left (Fig 2.1). Each shaded part is 1 4 part of a circle. How much will the two shaded parts ...
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