3/4 minus 9/12 as a fraction
3/4 - 9/12 as a fraction provides the detailed information about what is 3/4 minus 9/12 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.
3/4-9/12 equals to
3/4 - 9/12 = (?)
3/4 - 9/12 = [(3 x 12) - (9 x 4)]/(4 x 12)
= (36 - 36)/48
= 0/48
= 0
3/4 - 9/12 = 0
3/4 minus 9/12 is equal to 0
where
3/4 is a fraction as a minuend,
9/12 is a fraction as a subtrahend,
0 is the difference between 3/4 and 9/12.
How-to: 3/4 - 9/12 = ?
1. LCM method,
2. Cross multiplication method.
Problem and Workout - LCM Method:
What is 3/4 minus 9/12 as a fraction?
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/4
Fraction B: 9/12
What to be found?
3/4-9/12 = ?
Find what's the difference between 3/4 and 9/12.
step 2 Compare the denominators of fractions 3/4 and 9/12 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 3/4 and 9/12 are not equal, it is said to be unlike fractions subtraction.
step 3For unlike fractions subtraction, find the LCM (least common multiple) of both denominators of fractions 3/4 and 9/12:
The LCM of 4 and 12 is 12.
step 4 Write the fractions 3/4 and 9/12 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
=3/4-9/12
=(3 x 12)/(4 x 12)-(9 x 12)/(12 x 12)
step 5 Simplify the expression to have common denominator:
=9/12-9/12
step 6 Take the common values out and rewrite the above expression like the below:
=1/12 x (9/1-9/1)
=1/12 x (9 - 9)
step 7Simplify the above expression further:
=1/12 x 0
=0
3/4-9/12=0
Hence,
3/4 minus 9/12 equals to 0 in fraction.
Problem and Workout - Cross Multiplication Method
step 1 Observe the input parameters and what to be found:
Input:
Fraction A: 3/4
Fraction B: 9/12
What to be found?
3/4-9/12 = ?
Find what's the difference between 3/4 and 9/12.
step 2 Find the product of numerator of Fraction A and denominator of Fraction B (3 x 12), find the product of numerator of Fraction B and denominator of Fraction A (9 x 4), and find the product of both denominators of Fraction A and Fraction B (4 x 12) and rewrite the equation as like the below:
= (3 x 12) - (9 x 4)/(4 x 12)
step 3 Simplify and rewrite the fraction:
= (36 - 36)/48
= 0/48
= 0
3/4-9/12 = 0
Hence,
3/4 minus 9/12 = 0
