Question

Whats five and one fourth divided by one third with how u got it

Answer 1

A: 15.75


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