Benchmark Fractions Estimate Sum for 1/2 and 5/8 using nearest 1/4
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Enter 2 fractions below:
Estimate the sum to the nearest 1/4
1
2
+
5
8
Estimate 1/2 with 1/4 as a benchmark:
Display the fraction bar for 1/2
The range is [1/4, 2/4] The halfway point is denoted below:
1
2
*
(1 + 2)
4
1
2
*
3
4
3
8
Therefore, our range is 1/4 < 3/8 < 2/4
Compare our fraction to the mid point
1/2 ≥ 3/8, we round up to 2/4
Estimate 5/8 with 1/4 as a benchmark:
Display the fraction bar for 5/8
The range is [2/4, 3/4] The halfway point is denoted below:
1
2
*
(2 + 3)
4
1
2
*
5
4
5
8
Therefore, our range is 2/4 < 5/8 < 3/4
Compare our fraction to the mid point
5/8 ≥ 5/8, we round up to 3/4
Estimating, we have 2/4 + 3/4
Our estimated answer is 5/4
Display the fraction bar for 5/4
5/4
You have 2 free calculationss remaining
5/4
What is the Answer?
5/4
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.
What 2 formulas are used for the Benchmark Fractions Calculator?