7/9 Minus 18/20, Solve 7/9 - 18/20 as a Fraction
Calculate the subtraction of fractions 7/9 and 18/20 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 7/9 and 18/20?
The given fractions are 7/9 and 18/20
Firstly the L.C.M should be done for the denominators of the two fractions 7/9 and 18/20
7/9 - 18/20
The LCM of 9 and 20 (denominators of the fractions) is 180
Given numbers has no common factors except 1. So, there LCM is their product i.e 180
= 7 x 20 - 18 x 9/180
= 140 - 162/180
= -22/180
= -11/90
Result: -11/90
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 7/9 and 18/20
1. How do you subtract fractions with different denominators 7/9 and 18/20?
To subtract fractions 7/9 and 18/20 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 9 and 20 value i.e 180. After that add numerators and simplify the fraction i.e -11/90.
2. What is 7/9 minus 18/20 as a fraction?
7/9 minus 18/20 as a fraction is equal to -11/90.
3. How to subtract 7/9 and 18/20 on a calculator?
You have to give these numbers 7/9 and 18/20 in the input fields and press the calculate button of the tool to avail the answer -11/90 quickly.