or else you cannot add or subtract them
Find the GCF when you want to simplify a fraction. Find an LCM when you want to add and subtract fractions.
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.Two or more numbers are needed to find the Lcm
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.
You don't. LCM and GCF (HCF) refer to whole numbers. You can find the LCM of two whole numbers that happen to be denominators, but in that case we call it the LCD. You can find the GCF of two whole numbers that happen to be the numerator and denominator of a fraction, and that will let you know whether the fraction can be simplified.
Two or more numbers are needed to find their LCM
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.
You need at least two numbers to find an LCM.