What is 1/3 minus 1 1/2?
Subtracting Fractions Calculator
What is 1/3 minus 1 1/2?
Answer
1/3 minus 1 1/2 is
-7/6
= -1 1/6 ≈ -1.1667
Exact fraction in lowest terms; the decimal is rounded.
1 1/2 is larger than 1/3, so the answer is below zero.
- Write as fractions
- 1 1/2 = (1 × 2 + 1)/2 = 3/2
- Common denominator: LCM(3, 2) = 6
- 1/3 = 2/6 (× 2) · 3/2 = 9/6 (× 3)
- Subtract the numerators
- 2/6 - 9/6 = (2 - 9)/6 = -7/6
- As a mixed number
- -7/6 = -1 1/6
- Result
- 1/3 - 1 1/2 = -7/6
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Fraction Subtraction Table
| Subtraction | Result | Decimal Form |
|---|---|---|
| 1/3 - 2/3 | -1/3 | ≈ -0.3333 |
| 1/3 - 7/10 | -11/30 | ≈ -0.3667 |
| 1/3 - 5/7 | -8/21 | ≈ -0.381 |
| 1/3 - 3/4 | -5/12 | ≈ -0.4167 |
| 1/3 - 4/5 | -7/15 | ≈ -0.4667 |
| 1/3 - 5/6 | -1/2 | = -0.5 |
| 1/3 - 7/8 | -13/24 | ≈ -0.5417 |
| 1/3 - 1 | -2/3 | ≈ -0.6667 |
| 1/3 - 1 1/4 | -11/12 | ≈ -0.9167 |
| 1/3 - 1 1/3 | -1 | = -1 |
| 1/3 - 1 1/2 | -7/6 | ≈ -1.1667 |
| 1/3 - 3/2 | -7/6 | ≈ -1.1667 |
| 1/3 - 1 2/3 | -4/3 | ≈ -1.3333 |
| 1/3 - 5/3 | -4/3 | ≈ -1.3333 |
| 1/3 - 1 3/4 | -17/12 | ≈ -1.4167 |
| 1/3 - 2 | -5/3 | ≈ -1.6667 |
| 1/3 - 2 1/4 | -23/12 | ≈ -1.9167 |
| 1/3 - 2 1/3 | -2 | = -2 |
| 1/3 - 2 1/2 | -13/6 | ≈ -2.1667 |
| 1/3 - 2 2/3 | -7/3 | ≈ -2.3333 |