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Question

Simplify ( 25of 37) -( 16of 35) +( 114of 25)


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Solution

Simplifying using BODMAS rule :

Step 1 : Simplifying the first bracket

25of 37

Step 2 : Replace the word ‘ of ’ with the symbol ×and do multiplication

25×37 =2×35×7 =635

Step 3: Simplifying the second bracket

16of 35

Step 4 : Replace the word ‘ of ’ with the symbol× and do multiplication

16×35 =1×36×5 =330

Step 5 : Simplifying the third bracket

114of 25

Step 6 : Replace the word ‘ of ’ with the symbol ‘ x ’ and do multiplication

114×25 =1×214×5 =270

( 25of 37) -( 16of 35) +( 114of 25) =635-330+270

Step 7: The bottom numbers are different, To make it same take the L.C.M of 35,30,70

L.C.M of 35,30 and 70 is 210

Step 8: Convert both the fraction into equivalent like fractions with their L.C.M as common denominator

635 =6×635×6 =36210

330 =3×730×7 =21210

270 =2×370×3 =6210

Step 9: Subtract and add the numerators according to the question and put the answer over the denominator

635-330+ 270 =36210-21210+6210 =36-21+6210 =21210

Step 10: Simplify the fraction

21210 =21÷21210÷21 =110

Hence , ( 25of 37) -( 16of 35) +( 114of 25) =110.


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