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Convert CDXL to a numeric value

Front

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7 years ago

Date created

Mar 1, 2020

Cards (5)

Section 1

(5 cards)

Convert CDXL to a numeric value

Front

1. enter the values corresponding to each symbol C D X L 100 500 10 50 2. Place math for each value going from left to right. (if the value to the right is greater than the value on the left, subtract from the larger number/ add when a smaller value is placed after the a larger one) C - D + X - L 100 - 500 + 10 + 50 500 - 100 = 400 50 - 10 = 40 400 + 40 + 440

Back

Dividing fractions

Front

1. invert or flip the fraction after the division sign 2. change the division sign to a multiplication sign 3.multiply the numerator and denominator 4. reduce example: 4/9 divided by 1/3 = 4/9 divided by 3/1 = (4x3)/(9x1) = 12/9 = Answer: 4/3 or 1 1/3

Back

Multiplying fractions

Front

1. multiply the numerators and denominators separately 2. then reduce example: 2/3 x 1/6 = 2x1/3x6 = 2/18 = 1/9

Back

Complete Fractions

Front

1. frations is contained in both the numerator and denominator 2. to solve the equation convert to multiplication by inverting the fraction in the denominator and multiplying

Back

Reducing Fractions

Front

1. to reduce a fraction, find the number that divides evenly into the numerator and denominator Fraction: 252/288 252 divided by 3 = 84 288 divided by 3 = 96 Fraction: 84/96 84 divided by 6 = 14 69 divided by 6 = 16

Back