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Math Module IV Juan Armando Pérez Vital A01400839 Multicultural
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Math Module IV Juan Armando Pérez Vital A01400839 Multicultural
Rational Numbers
- Quotients of integrers Is the greatest common factor of numerator and the denominator 1.
- Fundamental property of rational numbers a/b * k/k = a/b*
- 36/54 = 2/3*18/18=2/3*
- Cross-Product test a/b=c/d if a*d=b*c
- 36/54=2/3 36*3=108 54*2=108 108=108
- Cross-Product test a/b=c/d if a*d=b*c
- 36/54 = 2/3*18/18=2/3*
- Fundamental property of rational numbers a/b * k/k = a/b*
- Quotients of integrers Is the greatest common factor of numerator and the denominator 1.
Operations with rational numbers
- To realize the operation of addition the two fractions must be redrawn in a unit taht both have in common, then add numerator with numerator and the same with denominator, then the fraction simplifies
- 1/3+2/5= 5/15+6/15= 11/15
- Addition and Simplifying of fractions
- Multiplying of fractions
- Multiply the nominator with th other and teh same with denominator
- 1/2*2/5= 2/10
- Because 2 and 10 are multiples of themselves they can be simplified by the same number taht is 2
- 2/10= 1/5
- Because 2 and 10 are multiples of themselves they can be simplified by the same number taht is 2
- 1/2*2/5= 2/10
- Multiply the nominator with th other and teh same with denominator
- Division of fractions
- To divide the fractions invert the divisor and then multiply
- (7/8)/(1/4)= 7*4=28, 8*1=8 = 28/8
- (a/b)/(c/d) = ad/bc
- (7/8)/(1/4)= 7*4=28, 8*1=8 = 28/8
- To divide the fractions invert the divisor and then multiply
- To realize the operation of addition the two fractions must be redrawn in a unit taht both have in common, then add numerator with numerator and the same with denominator, then the fraction simplifies
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- Mind Map on Math Module IV Juan Armando Pérez Vital A01400839 Multicultural, created by Armando Vital on 03/09/2013.
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