Benchmark Fractions Estimate Sum for 1/5 and 6/7 using nearest 1/8
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Enter 2 fractions below:
Estimate the sum to the nearest 1/8
1
5
+
6
7
Estimate 1/5 with 1/8 as a benchmark:
Display the fraction bar for 1/5
The range is [1/8, 2/8] The halfway point is denoted below:
1
2
*
(1 + 2)
8
1
2
*
3
8
3
16
Therefore, our range is 1/8 < 3/16 < 2/8
Compare our fraction to the mid point
1/5 ≥ 3/16, we round up to 2/8
Estimate 6/7 with 1/8 as a benchmark:
Display the fraction bar for 6/7
The range is [6/8, 7/8] The halfway point is denoted below:
1
2
*
(6 + 7)
8
1
2
*
13
8
13
16
Therefore, our range is 6/8 < 13/16 < 7/8
Compare our fraction to the mid point
6/7 ≥ 13/16, we round up to 7/8
Estimating, we have 2/8 + 7/8
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?