15/9 Minus 20/7, Solve 15/9 - 20/7 as a Fraction
Calculate the subtraction of fractions 15/9 and 20/7 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 15/9 and 20/7?
The given fractions are 15/9 and 20/7
Firstly the L.C.M should be done for the denominators of the two fractions 15/9 and 20/7
15/9 - 20/7
The LCM of 9 and 7 (denominators of the fractions) is 63
Given numbers has no common factors except 1. So, there LCM is their product i.e 63
= 15 x 7 - 20 x 9/63
= 105 - 180/63
= -75/63
= -25/21
Result: -25/21
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 15/9 and 20/7
1. How do you subtract fractions with different denominators 15/9 and 20/7?
To subtract fractions 15/9 and 20/7 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 9 and 7 value i.e 63. After that add numerators and simplify the fraction i.e -25/21.
2. What is 15/9 minus 20/7 as a fraction?
15/9 minus 20/7 as a fraction is equal to -25/21.
3. How to subtract 15/9 and 20/7 on a calculator?
You have to give these numbers 15/9 and 20/7 in the input fields and press the calculate button of the tool to avail the answer -25/21 quickly.