Question

solve the following
add: -7/5 and 2/3​

Answer 1

Answer:

-7/5+2/3

= -7 x 3 + 2 x 5 / 15

= -21+10/15

= -11/15

Answer 2

Step-by-step explanation:

Find the least common denominator or LCM of the two denominators:

LCM of 3 and 7 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21

For the 1st fraction, since 3 × 7 = 21,

2

3

=

2 × 7

3 × 7

=

14

21

Likewise, for the 2nd fraction, since 7 × 3 = 21,

3

7

=

3 × 3

7 × 3

=

9

21

Add the two like fractions:

14

21

+

9

21

=

14 + 9

21

=

23

21

So, 2/3 + 3/7 = 23/21

In mixed form: 1

2

21