77/31 Minus 89/21, Solve 77/31 - 89/21 as a Fraction
Calculate the subtraction of fractions 77/31 and 89/21 with the help of the handy tool Subtraction of Fractions Calculator and get the detailed step-by-step answer.
How do you Subtract Fractions 77/31 and 89/21?
The given fractions are 77/31 and 89/21
Firstly the L.C.M should be done for the denominators of the two fractions 77/31 and 89/21
77/31 - 89/21
The LCM of 31 and 21 (denominators of the fractions) is 651
Given numbers has no common factors except 1. So, there LCM is their product i.e 651
= 77 x 21 - 89 x 31/651
= 1617 - 2759/651
= -1142/651
Result: -1142/651
Subtracting Fraction Worksheets
FAQs on Subtraction of Fractions 77/31 and 89/21
1. How do you subtract fractions with different denominators 77/31 and 89/21?
To subtract fractions 77/31 and 89/21 with like/different denominators find the denominators LCM and make both fractions' denominators equal to the LCM of 31 and 21 value i.e 651. After that add numerators and simplify the fraction i.e -1142/651.
2. What is 77/31 minus 89/21 as a fraction?
77/31 minus 89/21 as a fraction is equal to -1142/651.
3. How to subtract 77/31 and 89/21 on a calculator?
You have to give these numbers 77/31 and 89/21 in the input fields and press the calculate button of the tool to avail the answer -1142/651 quickly.