Find GCD: To simplify the fraction (40)/(90), we need to find the greatest common divisor (GCD) of the numerator and the denominator and then divide both by that number.First, let's find the GCD of 40 and 90. The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The largest common factor is 10.
Divide by GCD: Now, we divide both the numerator and the denominator by the GCD, which is 10.Numerator: 40÷10=4Denominator: 90÷10=9So, (40)/(90) simplifies to (4)/(9).
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