Question

9/-12 + 5/8
find the ansewr in fraction

Answer 1

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 12 × 2 = 24,
9/12
=
9 × 2
12 × 2
=
18/24
Likewise, for the 2nd fraction, since 8 × 3 = 24,
5/8
=
5 × 3
8 × 3
=
15/24
Subtract the two like fractions:
18/24
-
15/24
=
18 - 15
24
=
3
24
After reducing the fraction, the answer is
1/8

Answer 2

9/-12 + 5/8

We have to find the L.C.M of 12 and 8, the l.c.m of 12 and 8 is 24.

-(2*9 + 3*5)/ 24

=> -(18 +15) / 24

=> -33/24

=> -1 ⁹/₂₄