The stanede form of sum 3/4 + 5/6 + (-7/12) is
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Step-by-step explanation:
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Step-by-step explanation:
(i) 3/7 × 4/5
= (3 × 4)/(7 × 5)
= 12/35
(ii) 7/3 × 5/2
= (7 × 5)/(3 × 2)
= 35/6
(iii) 5 × 3/7
= 5/1 × 3/7
= (5 × 3)/(1 × 7)
= 15/7
(iv) 5/12 × 9
= 5/12 × 9/1
= (5 × 9)/(12 × 1)
= (5 × 3)/(4 × 1)
= 15/4
Sometimes for indicating multiplication of two fractions, we use the word ‘of ‘as follows:
(i) 1/2 of 8
= 1/2 × 8
= 1/2 × 8/1
= (1 × 8)/(2 × 1)
= 8/2
= 4
(ii) 1/5 of 20
= 1/5 × 20
= 1/5 × 20/1
= 20/5
= 4
(iii) 2/5 of 25
= 2/5 × 25
= 2/5 × 25/1
= (2 × 25)/(5 × 1)
= 50/5
= 10
(iv) 2/3 of 5/7
= 2/3 × 5/7
= (2 ×5)/(3 × 7)
= 10/21.
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