Enter 2 fractions below:
Estimate the sum to the nearest 1/2
| 1 | |
| 2 |
| + |
| 5 |
| 8 |
Estimate 1/2 with 1/2 as a benchmark:
Display the fraction bar for 1/2
The halfway point is denoted below:
| 1 | |
| 2 |
| * |
| (0 + 1) |
| 2 |
| 1 | |
| 2 |
| * |
| 1 |
| 2 |
| 1 | |
| 4 |
Therefore, our range is 0 < 1/4 < 1/2
Compare our fraction to the mid point
1/2 ≥ 1/4, we round up to 1/2Estimate 5/8 with 1/2 as a benchmark:
Display the fraction bar for 5/8
The halfway point is denoted below:
| 1 | |
| 2 |
| * |
| (1 + 2) |
| 2 |
| 1 | |
| 2 |
| * |
| 3 |
| 2 |
| 3 | |
| 4 |
Therefore, our range is 1/2 < 3/4 < 1
Compare our fraction to the mid point
5/8 < 3/4, we round down to 1/2Estimating, we have 1/2 + 1/2
Our estimated answer is 1Display the fraction bar for 1/1
1
You have 2 free calculationss remaining
1
What is the Answer?
1
How does the Benchmark Fractions Calculator work?
Free Benchmark Fractions Calculator - Adds or Subtracts or Compares 2 fractions using estimating sums or estimating differences with benchmark fractions.
This calculator has 2 inputs.
This calculator has 2 inputs.
What 2 formulas are used for the Benchmark Fractions Calculator?
What 8 concepts are covered in the Benchmark Fractions Calculator?
- benchmark
- benchmark fractions
- common fraction that gives you a reference to measure other fractionswith
- compare
- estimate, measure, or note the similarity or difference between
- denominator
- The bottom portion of a fraction. For a/b, b is the denominator
- difference
- the result of one of the important mathematical operations, which is obtained by subtracting two numbers
- fraction
- how many parts of a certain size exist
a/b where a is the numerator and b is the denominator - numerator
- the number above the line in a common fraction
- sum
- the total amount resulting from the addition of two or more numbers, amounts, or items
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