The sum of the numerator and denominator is 15 Write four such fraction. Explain
Answers
Answered by
1
Answer:
- 2/3
- 3/2
- 1/4
- 4/1
- -6/5
Step-by-step explanation:
these are the answers because the sum of their numerator and denominator are same
Answered by
0
Let call our fraction
x
y
, we know that:
x
+
y
=
12
and
x
y
+
3
=
1
2
from the second:
x
=
1
2
(
y
+
3
)
into the first:
1
2
(
y
+
3
)
+
y
=
12
y
+
3
+
2
y
=
24
3
y
=
21
y
=
21
3
=
7
and so:
x
=
12
−
7
=
5
x
y
, we know that:
x
+
y
=
12
and
x
y
+
3
=
1
2
from the second:
x
=
1
2
(
y
+
3
)
into the first:
1
2
(
y
+
3
)
+
y
=
12
y
+
3
+
2
y
=
24
3
y
=
21
y
=
21
3
=
7
and so:
x
=
12
−
7
=
5
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