18/20 Minus 17/7, Solve 18/20 - 17/7 as a Fraction
Calculate the subtraction of fractions 18/20 and 17/7 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 18/20 and 17/7?
The given fractions are 18/20 and 17/7
Firstly the L.C.M should be done for the denominators of the two fractions 18/20 and 17/7
18/20 - 17/7
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
= 18 x 7 - 17 x 20/140
= 126 - 340/140
= -214/140
= -107/70
Result: -107/70
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 18/20 and 17/7
1. How do you subtract fractions with different denominators 18/20 and 17/7?
To subtract fractions 18/20 and 17/7 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 -107/70.
2. What is 18/20 minus 17/7 as a fraction?
18/20 minus 17/7 as a fraction is equal to -107/70.
3. How to subtract 18/20 and 17/7 on a calculator?
You have to give these numbers 18/20 and 17/7 in the input fields and press the calculate button of the tool to avail the answer -107/70 quickly.