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1). 1957.922). 19.7923). 195.844). 1958.4

Answer»

To SOLVE this TYPE of problems we have to follow the below steps.

Step I: Convert each of the decimals to like decimals.

Step II: Remove the decimal point and find the least common multiple (LCM) as usual.

Step III: In the LCM, PUT the decimal point as there are a number of decimal places in the like decimals.

LCM of 3.2, 2.72, 1.28 and 1.44

Step I: Like decimals are 3.2, 2.72, 1.28 and 1.44

Step II: LCM of 32/10, 272/100, 128/100 and 144/100 = LCM(32, 272, 128, 144)/HCF (10, 100) = 19584/10

Step III: LCM of 3.2, 2.72, 1.28, 1.44 = 1958.4

∴ LCM of 3.2, 2.72, 1.28, 1.44 = 1958.4



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