1. Adding Subtracting more than 2 rational numbers (LCM method)

2. Example1
Step1 :- Convert all double signs to single sign
Step2 :- Find LCM of denominator
The LCM of 3, 12 and 24 is the product of common divisors.
= 3 x 2 x 2 x 2 = 24 (LCM)
Step 3 : Find equivalent fraction of each fraction with denominator as LCM
Step 4 : Now add the equivalent fractions
Step 5 : Now simplify the fraction

3. Example2
Step1 :- Convert the mixed fraction to improper fraction
Step2 :- Find LCM of denominator
The LCM of denominator 4,4 and 8 is 8
Step 3 : Find equivalent fraction of each fraction with denominator as LCM
Step 3 : Now add the equivalent fractions
Step 4 : Simplify the fraction
Step 5 : Convert the improper fraction to mixed fraction

4. Try these
Solve the following