Benchmark Fractions Estimate Sum for 1/2 and 5/8 using nearest 1/8
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Enter 2 fractions below:
Estimate the sum to the nearest 1/8
1
2
+
5
8
Estimate 1/2 with 1/8 as a benchmark:
Display the fraction bar for 1/2
The range is [3/8, 4/8] The halfway point is denoted below:
1
2
*
(3 + 4)
8
1
2
*
7
8
7
16
Therefore, our range is 3/8 < 7/16 < 4/8
Compare our fraction to the mid point
1/2 ≥ 7/16, we round up to 4/8
Estimate 5/8 with 1/8 as a benchmark:
Display the fraction bar for 5/8
The range is [4/8, 5/8] The halfway point is denoted below:
1
2
*
(4 + 5)
8
1
2
*
9
8
9
16
Therefore, our range is 4/8 < 9/16 < 5/8
Compare our fraction to the mid point
5/8 ≥ 9/16, we round up to 5/8
Estimating, we have 4/8 + 5/8
Our estimated answer is 9/8
Display the fraction bar for 9/8
9/8
You have 2 free calculationss remaining
9/8
What is the Answer?
9/8
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?