0.4 - 0.5 Number Pair:
Welcome to 0.4 and 0.5 Analysis
Basic Operations
Addition (9/10), Subtraction (-1/10), Multiplication (1/5), and Division (4/5)
Advanced Analysis
Ratios and proportional relationships
Interval Studies
Midpoint (9/20), quarter values
➕ Addition
0.4 + 0.5 = 9/10
➖ Subtraction
0.4 - 0.5 = -1/10
✖️ Multiplication
0.4 × 0.5 = 1/5
➗ Division
0.4 ÷ 0.5 = 4/5
📍 Midpoint & Intervals
0.4
17/40
9/20
19/40
0.5
Midpoint
9/20
The average of both numbers
Distance from Midpoint
±1/20
Distance from center to either number
Quarter Values
25%: 17/40
75%: 19/40
Interval Size
1/100
Size of each 10% interval
💡 Fun Facts
0.4 multiplied by itself 756471/1000000 times approximately equals 0.5
The difference between these numbers (0.1) divided by their sum (0.9) is 111111/1000000