List the denominators of the fractions
Find the least common multiple of the denominators
Use prime factorization or list multiples if needed
The least common multiple is the LCD
Rewrite each fraction with the LCD as the new denominator
List the denominators of the fractions
Find the least common multiple of the denominators
Use prime factorization or list multiples if needed
The least common multiple is the LCD
Rewrite each fraction with the LCD as the new denominator