Write the mixed numbers as an improper fraction.

Rewrite the expression  

To add fractions the denominators must be equal.

Find the least common denominator (LCD).

Write the prime factorization of each denominator.

Multiply the highest power of each factor in either number.

LCD of the fractions is 40.

Rewrite the equivalent fractions using the LCD.

Rewrite the expression using the LCD.

As denominators are same, write sum of numerators over denominator.  

Add the numerators.

Rewrite the improper fraction  as a mixed number.

Begin by dividing 197 by 40. The remainder will be the numerator of the

mixed number’s fraction.

                                       The value of the expression is .