Q. Evaluate the expression.1+21×51Write your answer as a fraction or as a whole or mixed number.__
Interpret expression correctly: First, we need to interpret the expression correctly. The expression is 1+21×51. According to the order of operations (PEMDAS/BODMAS), we must perform multiplication before addition.
Perform multiplication: Now, let's perform the multiplication part of the expression: 21×51. To multiply fractions, we multiply the numerators together and the denominators together.(1×1)/(2×5)=101
Add result to 1: Next, we add the result of the multiplication to 1. The expression now is 1+101.To add a whole number to a fraction, we can think of the whole number as a fraction with the same denominator as the fraction we are adding to it. So, 1 is the same as 1010.1010+101=10(10+1)=1011
Convert to mixed number: The fraction 1011 is an improper fraction, which can also be written as a mixed number. To convert it to a mixed number, we divide the numerator by the denominator.11÷10=1 with a remainder of 1. So, the mixed number is 1101.
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