Find the LCM of (a) 14 and 21 (b) 18 and 30
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LCM
of 14 & 21
2 = 14,21
3 = 7,21
7 = 7, 7
1 = 1, 1
2×3×7×1= 42 ans.
LCM of 18 & 30
2 = 18,30
3 = 9,15
3 = 3 , 5
5 = 1,5
= 1, 1
2×3×3×5= 90 ans.
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of 14 & 21
2 = 14,21
3 = 7,21
7 = 7, 7
1 = 1, 1
2×3×7×1= 42 ans.
LCM of 18 & 30
2 = 18,30
3 = 9,15
3 = 3 , 5
5 = 1,5
= 1, 1
2×3×3×5= 90 ans.
hope this helps
please mark it brainliest.
neelamvoctcivil:
2*3*3*5=90 not 75
sorry i will correct it
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corrected
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