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Exact Answer
45 : 90 = 1 : 2
Simplified Ratio
1 : 2
GCF / Divisor
45
As a Fraction
1/2
Unit Rate (1:X)
1 : 2

Step-by-Step Solution: 45:90 = 1:2

Step 1

Find the Greatest Common Factor (GCF)

Find the GCF of 45 and 90, which is 45.
GCF(45, 90) = 45
Step 2

Divide Both Terms by the GCF

Divide 45 by 45 (1) and 90 by 45 (2) to get the simplified ratio 1:2.
(45 รท 45) : (90 รท 45) = 1 : 2

Visual Representation

The diagram below illustrates Simplify ratio 45:90 visually:

Simplify Ratio 45:90 = 1:2A = 451 partB = 902 partsEach block = 45 (Greatest Common Factor)  •  Simplified: 1 : 2

Summary & Alternative Representations

Property / FormatValue
Simplified Ratio1 : 2
GCF / Divisor45
As a Fraction1/2
Unit Rate (1:X)1 : 2

Frequently Asked Questions

What is the ratio 45:90 in simplest form?

45:90 simplified is 1:2.