How to Find Fractions Equivalent to 1/20
1. Choose a multiplier
Use the same non-zero number for both terms; start with 2.
2. Multiply both terms
1 × 2 = 2 and 20 × 2 = 40.
3. Verify the ratio
1 × 40 and 20 × 2 both equal 40.
Direct answer
2/40, 3/60, and 4/80 are equivalent to 1/20.
Enter whole-number numerator and denominator values. Results update instantly.
1/20
0.05
5%
2/40 · 3/60 · 4/80
Use the same non-zero number for both terms; start with 2.
1 × 2 = 2 and 20 × 2 = 40.
1 × 40 and 20 × 2 both equal 40.
Multiply the numerator and denominator by the same non-zero whole number. The written numbers change, but the ratio stays equal.
| Multiplier | Calculation | Equivalent fraction | Cross-product check |
|---|---|---|---|
| × 2 | (1 × 2) / (20 × 2) | 2/40 | 1 × 40 = 20 × 2 |
| × 3 | (1 × 3) / (20 × 3) | 3/60 | 1 × 60 = 20 × 3 |
| × 4 | (1 × 4) / (20 × 4) | 4/80 | 1 × 80 = 20 × 4 |
| × 5 | (1 × 5) / (20 × 5) | 5/100 | 1 × 100 = 20 × 5 |
| × 6 | (1 × 6) / (20 × 6) | 6/120 | 1 × 120 = 20 × 6 |
| × 7 | (1 × 7) / (20 × 7) | 7/140 | 1 × 140 = 20 × 7 |
This fraction converts to a familiar benchmark percentage, which helps with estimation, discounts, grades, and progress tracking.
Learning tip: Memorize common benchmark fractions so you can estimate an answer before calculating.
2/40 is one equivalent fraction because both terms were multiplied by 2.
Yes. 1/20 is in lowest terms because its terms share no factor greater than 1.
Cross-multiply. If the two cross-products are equal, the fractions represent the same value.
1/20 equals 0.05 as a decimal and 5% as a percentage.