Question 28 The lowest form of the product 2 3-7-7-9 is

Name: EXEMP - Grade 07 - MATHEMATICS - Fractions & Decimals - Q28
Uploaded: 2022-07-04T10:36:42+05:30
Description: Given 2 3/7×7/9 = (2× 7)+3/7×7/9= 17/7×7/9 =17/9 = 18/9 Hence, the lowest form of the product 2 3/7×7/9 is 17/9 or 1 8/9 ...

Given 2 3/7×7/9 = (2× 7)+3/7×7/9= 17/7×7/9 =17/9 = 18/9 Hence, the lowest form of the product 2 3/7×7/9 is 17/9 or 1 8/9 ...

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Standard IX

Mathematics

Ratio and Proportion

Question 28 T...

Question

Question 28

The lowest form of the product $2 \frac{3}{7} \times \frac{7}{9}$ is ___

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Solution

Given $2 \frac{3}{7} \times \frac{7}{9} = \frac{(2 \times 7) + 3}{7} \times \frac{7}{9} = \frac{17}{7} \times \frac{7}{9} = \frac{17}{9} = 1 \frac{8}{9}$
Hence, the lowest form of the product $2 \frac{3}{7} \times \frac{7}{9} i s \frac{17}{9} o r 1 \frac{8}{9}$

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Question 2 (ii)

Multiply and reduce to lowest form (if possible):

\frac{2}{7} \times \frac{7}{9}

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Reduce the following fractions to simplest form:

$\frac{7}{28}$

Q. Question 101
Select those which can be written as a rational number with denominator 4 in their lowest form

\frac{7}{8}, \frac{64}{16}, \frac{36}{- 12}, \frac{- 16}{17}, \frac{5}{- 4}, \frac{140}{28}

Q. Find the missing term (denoted by question mark '?')

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Question 109 (ii)

Observe the following patterns and fill in the blanks to make the statements true:
$7 \times 4 = 28$
$7 \times 3 =$ ___ $= 28 - 7$
$7 \times 2 =$ ___=___ $= - 7$
$7 \times 1 = 7 =$ ___ $- 7$
$7 \times 0 =$ ___ =___-___
$7 \times (- 1) = - 7 =$ ___-___
$7 \times (- 2) =$ ___=___-___
$7 \times (- 3)$ ___=___-___

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Ratio and Proportion

Standard IX Mathematics

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Question 28 The lowest form of the product 237×79 is ___

Given 237×79=(2×7)+37×79=177×79=179=189 Hence, the lowest form of the product 237×79 is 179 or 189

Question 28

The lowest form of the product $2 \frac{3}{7} \times \frac{7}{9}$ is ___

Given $2 \frac{3}{7} \times \frac{7}{9} = \frac{(2 \times 7) + 3}{7} \times \frac{7}{9} = \frac{17}{7} \times \frac{7}{9} = \frac{17}{9} = 1 \frac{8}{9}$
Hence, the lowest form of the product $2 \frac{3}{7} \times \frac{7}{9} i s \frac{17}{9} o r 1 \frac{8}{9}$