Simplifying Harder Ratios (Decimals, Mixed Units & 1 : n) 

This lesson covers:

  1. How to simplify ratios that contain decimals such as 1.4 : 2.1
  2. How to simplify ratios that contain different units such as 3.4cm : 20mm
  3. How to reduce ratios such as 5 : 8 to the form 1 : n

Simplify the ratio 1.4 : 2.1

:

2
3

0

/

2

Simplify the ratio 3.5 : 5

:

7
10

0

/

2

Simplify the ratio 3.6 : 1.2

:

3
1

0

/

2

Simplify 3.4cm : 20mm

:

17
10

0

/

2

Simplify £2 : 80p

5
2

:

5
2

0

/

2

Simplify 0.4km : 600m

:

2
3

0

/

2

Reduce 10 : 3 to the form 1 : n

:

1
0.3

0

/

2

Reduce 5 : 8 to the form 1 : n

:

1
1.6

0

/

2

Reduce 6 : 21 to the form 1 : n

:

1
3.5

0

/

2