35.7k views
23 votes
Solve two fifths minus one seventh equals blank.

User Avgn
by
3.9k points

2 Answers

11 votes

Answer:

9/35.............,..........

User Joshua Flanagan
by
3.5k points
8 votes

Answer:

1/5

Explanation:

2/5 - 1/7 = ???

find the least common denominator!

45 would be the least common demoninator!

so...

2 (7) / 5(7) - 1 (5) / 7 (5) = ?

14/ 45 - 5 /45 = ?

14 - 5 = 9

9/45. Simplify!

9/45 divide 9 from both sides

9/9 / 45/9

= 1/5, one fifths is your answer!

User MendelG
by
3.2k points