What is 3/9 divided by 7/21?
3/9 divided by 7/21 equals 1 (or 1 in decimal form). Learn the step-by-step solution to divide 3/9 and 7/21 using Least Common Denominator and simplification.
Exact Answer
3/9 ÷ 7/21 = 1
Simplified Fraction
1
Mixed Number
1
Decimal Value
1
Percentage
100%
Step-by-Step Solution: 3/9 ÷ 7/21
Step 1
Find the Reciprocal of the Second Fraction
Dividing by a fraction is equivalent to multiplying by its reciprocal ("Keep, Change, Flip"). Invert the second fraction 7/21 to get 21/7.
3/9 ÷ 7/21 = 3/9 × 21/7
Step 2
Multiply the Numerators and Denominators
Multiply the new numerators (3 × 21 = 63) and denominators (9 × 7 = 63).
3 × 21/9 × 7 = 63/63
Step 3
Simplify to an Exact Whole Number
Notice that the numerator (63) is completely divisible by the denominator (63). Dividing 63 by 63 yields the whole number 1 with zero remainder.
63/63 = 1
Step 4
Decimal & Percentage Representation
Dividing the numerator 1 by denominator 1 yields an exact terminating decimal of 1 (or 100%).
1 ÷ 1 = 1 (100%)
Visual Representation
The diagram below illustrates 3/9 divided by 7/21 visually:
÷
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 1 |
| Mixed Number Form | 1 |
| Decimal Form | 1 |
| Percentage | 100% |
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Frequently Asked Questions
What is 3/9 divided by 7/21 as a fraction?
3/9 ÷ 7/21 in simplest fraction form is 1.
What is 3/9 divided by 7/21 as a decimal?
3/9 ÷ 7/21 converted to a decimal is 1.
What is 3/9 divided by 7/21 as a percentage?
3/9 ÷ 7/21 expressed as a percentage is 100%.
Is the answer to 3/9 divided by 7/21 a whole number?
Yes, 3/9 ÷ 7/21 simplifies completely to the whole number 1 with no remaining fractional part.