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1(5)/(20)+1(1)/(5)

1520+115 1 \frac{5}{20}+1 \frac{1}{5}

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Q. 1520+115 1 \frac{5}{20}+1 \frac{1}{5}
  1. Convert to Improper Fractions: Convert the mixed numbers to improper fractions. \newline1(520)1\left(\frac{5}{20}\right) can be converted to an improper fraction by multiplying the whole number by the denominator and adding the numerator: (1×20)+5=25(1 \times 20) + 5 = 25, so we have 2520\frac{25}{20}.\newlineSimilarly, 1(15)1\left(\frac{1}{5}\right) can be converted to an improper fraction by multiplying the whole number by the denominator and adding the numerator: (1×5)+1=6(1 \times 5) + 1 = 6, so we have 65\frac{6}{5}.
  2. Simplify Fractions: Simplify the fractions if possible.\newline2520\frac{25}{20} can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 55: 25÷5=525 \div 5 = 5 and 20÷5=420 \div 5 = 4, so we have 54\frac{5}{4}.\newline65\frac{6}{5} is already in simplest form.
  3. Find Common Denominator: Find a common denominator for the fractions 54\frac{5}{4} and 65\frac{6}{5}. The least common denominator (LCD) for 44 and 55 is 2020.
  4. Convert to Common Denominator: Convert each fraction to an equivalent fraction with the common denominator of 2020. \newline54\frac{5}{4} is converted to (5×54×5)=2520(\frac{5 \times 5}{4 \times 5}) = \frac{25}{20}. \newline65\frac{6}{5} is converted to (6×45×4)=2420(\frac{6 \times 4}{5 \times 4}) = \frac{24}{20}.
  5. Add Fractions: Add the fractions with the common denominator.\newline2520+2420=25+2420=4920\frac{25}{20} + \frac{24}{20} = \frac{25 + 24}{20} = \frac{49}{20}.
  6. Convert to Mixed Number: Convert the improper fraction back to a mixed number if possible.\newline4920\frac{49}{20} is an improper fraction. To convert it to a mixed number, divide the numerator by the denominator: 49÷20=249 \div 20 = 2 with a remainder of 99.\newlineSo, 4920\frac{49}{20} as a mixed number is 2(920)2\left(\frac{9}{20}\right).