i)
Evaluate:
-4/9 + 5/-12
Answers
Answered by
0
Answer:
31/36
Step-by-step explanation:
Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
5
12
=
5 × 3
12 × 3
=
15
36
Likewise, for the 2nd fraction, since 9 × 4 = 36,
4
9
=
4 × 4
9 × 4
=
16
36
Add the two like fractions:
15
36
+
16
36
=
15 + 16
36
=
31
36
So, 5/12 + 4/9 = 31/36
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