Answer:
Step-by-step explanation
Rational number is a number that can be written as a fraction. Fractions, integers and decimals are all rational numbers.
Fraction to Decimal: rewrite as a division problem. Divide
Ex:1/2=2÷1=0.5
Decimal to Fraction: rewrite the digits over the appropriate power of 10/100. Simplify
Ex: 0.15= 3/20
15÷5=3
100÷5=20
Rational numbers is in the form of fraction . we can do any operation with rational numbers.
Explanation :
To solve the problems with rational numbers , we always look at the denominator
To add or subtract two rational numbers , we look at the denominators. When the denominators are same then we combine the numerators
When the denominators are not same then we make the denominators same and then combine the numerators .
To multiply rational numbers , we multiply numerator with numerator and denominator with denominator
To divide rational numbers , take reciprocal of second fraction and multiply with first rational number
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