simplify : (3/7*1/6)-(5/3*-1/7)+(3/7*9/2)
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(3/7*1/6) -(5/3*-1/7)+(3/7*9/2)
cancellation of 6 with 3 and '-' × '-' = +
(1/7*1/2) +(5/21) +(27/14)
(1/14) + (5/21) + (27/14)
take L.C.M of 14,21,14
7|14,21,14
-|________
2| 2,3,2
-|________
3| 1,3,1
_______
1,1,1
LCM = 7*2*3 =42
3(1) +2(5) +3(27)
____________.
42
= 3 +10 +81 /42
= 94/42 =47/21
cancellation of 6 with 3 and '-' × '-' = +
(1/7*1/2) +(5/21) +(27/14)
(1/14) + (5/21) + (27/14)
take L.C.M of 14,21,14
7|14,21,14
-|________
2| 2,3,2
-|________
3| 1,3,1
_______
1,1,1
LCM = 7*2*3 =42
3(1) +2(5) +3(27)
____________.
42
= 3 +10 +81 /42
= 94/42 =47/21
ayama:
l got-22/42
how is it possible..did i write question properly .check once if it is matching with urs
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