7/20 Minus 9/7, Solve 7/20 - 9/7 as a Fraction
Calculate the subtraction of fractions 7/20 and 9/7 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 7/20 and 9/7?
The given fractions are 7/20 and 9/7
Firstly the L.C.M should be done for the denominators of the two fractions 7/20 and 9/7
7/20 - 9/7
The LCM of 20 and 7 (denominators of the fractions) is 140
Given numbers has no common factors except 1. So, there LCM is their product i.e 140
= 7 x 7 - 9 x 20/140
= 49 - 180/140
= -131/140
Result: -131/140
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 7/20 and 9/7
1. How do you subtract fractions with different denominators 7/20 and 9/7?
To subtract fractions 7/20 and 9/7 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 20 and 7 value i.e 140. After that add numerators and simplify the fraction i.e -131/140.
2. What is 7/20 minus 9/7 as a fraction?
7/20 minus 9/7 as a fraction is equal to -131/140.
3. How to subtract 7/20 and 9/7 on a calculator?
You have to give these numbers 7/20 and 9/7 in the input fields and press the calculate button of the tool to avail the answer -131/140 quickly.