A: 15.75
Step-by-step explanation:
Convert
5
1
4
5
4
1
to improper fraction. Use this rule:
a
b
c
=
a
c
+
b
c
a
c
b
=
c
ac+b
.
5
×
4
+
1
4
÷
1
3
4
5×4+1
÷
3
1
2 Simplify
5
×
4
5×4 to
2
0
20.
2
0
+
1
4
÷
1
3
4
20+1
÷
3
1
3 Simplify
2
0
+
1
20+1 to
2
1
21.
2
1
4
÷
1
3
4
21
÷
3
1
4 Use this rule:
a
÷
b
c
=
a
×
c
b
a÷
c
b
=a×
b
c
.
2
1
4
×
3
4
21
×3
5 Use this rule:
a
b
×
c
=
a
c
b
b
a
×c=
b
ac
.
2
1
×
3
4
4
21×3
6 Simplify
2
1
×
3
21×3 to
6
3
63.
6
3
4
4
63
7 Convert to mixed fraction.
1
5
3
4
15
4
3
Decimal Form: 15.75