Subtract
20/21 - 3/7
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
Subtraction-
[tex] = \frac{20}{21} - \frac{3}{7} \\ \red{ \tt \: take \: l.c.m}[/tex]
[tex] = \frac{20}{21} - \frac{9}{21} \\ = \frac{20 - 9}{21} \\ \\ \red{ = > } \blue{ \frac{11}{21} }[/tex]
So,
Answer is 11/21
LCM of 7 and 21 is 21.
Step-by-step explanation:
20/21 – 3/7
taking l.c.m.
= 20 – 9
21
= 11
21 or 0.52