1/4 - 2/5 Number Pair:
Welcome to 1/4 and 2/5 Analysis
Basic Operations
Addition (13/20), Subtraction (-3/20), Multiplication (1/10), and Division (5/8)
Advanced Analysis
Ratios and proportional relationships
Interval Studies
Midpoint (13/40), quarter values
➕ Addition
1/4 + 2/5 = 13/20
➖ Subtraction
1/4 - 2/5 = -3/20
✖️ Multiplication
1/4 × 2/5 = 1/10
➗ Division
1/4 ÷ 2/5 = 5/8
📍 Midpoint & Intervals
1/4
23/80
13/40
29/80
2/5
Midpoint
13/40
The average of both numbers
Distance from Midpoint
±3/40
Distance from center to either number
Quarter Values
25%: 23/80
75%: 29/80
Interval Size
3/200
Size of each 10% interval
💡 Fun Facts
1/4 multiplied by itself 165241/250000 times approximately equals 2/5
The difference between these numbers (0.15) divided by their sum (0.65) is 230769/1000000