How do write in simplest form given #7/102/15#?
2 Answers
Explanation:
In order to add or subtract fractions, we have to have common denominators.

List multiples of both numbers.
#10: 10,20,ul 30,40 ....#
# 15: 15,ul 30,45,60 ....# 
Look for the smallest underlined number (known as the least common multiple, or LCM). This is your common denominator.
Common denominator:
#30# 
Multiply the numerator and denominator by the factor that it would take to get to your common denominatorâ€¦like this:
and,
Now we have both of our fractions with common denominators, so we can subtract! Remember, in a subtraction problem, the numerators subtract but the denominators stay the same. It looks like this:
Explanation:
Known:
A fraction consist of
You can not directly add or subtract the counts unless the size indicators are the same.
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