Question

Part A) -8/15 from 7/-5
Part B) -6 from -4/11

Note : Subtract ​

Answer 1

Answer:

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

LCM of 12 and 15 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60

For the 1st fraction, since 12 × 5 = 60,

7

12

=

7 × 5

12 × 5

=

35

60

Likewise, for the 2nd fraction, since 15 × 4 = 60,

8

15

=

8 × 4

15 × 4

=

32

60

Subtract the two like fractions:

35

60

-

32

60

=

35 - 32

60

=

3

60

After reducing the fraction, the answer is

1

20

Answer 2

Answer:

Part A)

$\frac{7}{ - 5} - ( \frac{ - 8}{15} ) \\ = \frac{ - 7}{5} + \frac{8}{15} = \frac{( - 21) + 8}{15} \\ = \frac{ - 13}{15}$

Part B)

$\frac{ - 4}{11} - ( - 6) \\ = \frac{ - 4}{11} + \frac{6}{1} = \frac{( - 4) + 66}{11} = \frac{62}{11} \\ = 5 \frac{7}{11}$