Tính 3/8-1/5+3/40

Question

\(\frac{3}{8}-\frac{1}{5}+\frac{3}{40}\)

Answer 1

\(\frac{3}{8}-\frac{1}{5}+\frac{3}{40}\)

\(=\frac{7}{40}+\frac{3}{40}\)

\(=\frac{10}{40}=\frac{1}{4}\)

 

Answer 2

3/8-1/5+3/30
=7/40+3/40
=1/4

Answer 3

3/8-1/5+3/40

=15/40-8/40+3/40

=10/40=>1/4

Answer 4

3\8—1/5+3/40=7/40+3/40=1/4

Answer 5

3/8-1/5+3/40

=15-8+3/40

=10/40=1/4