Solutions by everydaycalculation.com

3540 - 650 is 151200.

- Find the least common denominator or LCM of the two denominators:

LCM of 40 and 50 is**200**

Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,

3540 = 35 × 540 × 5 = 175200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,

650 = 6 × 450 × 4 = 24200 - Subtract the two like fractions:

175200 - 24200 = 175 - 24200 = 151200

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