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Block 2 > Topic 1 > Lesson 3: Use Benchmarks to Compare Fractions

Use a benchmark to compare fractions. Compare [tex]$\frac{3}{4}$[/tex] and [tex]$\frac{7}{6}$[/tex].



Answer :

To compare the fractions [tex]\(\frac{3}{4}\)[/tex] and [tex]\(\frac{7}{6}\)[/tex] using benchmarks, follow these steps:

1. Understand the Fractions:
- First, identify the fractions: [tex]\(\frac{3}{4}\)[/tex] and [tex]\(\frac{7}{6}\)[/tex].

2. Convert Fractions to Decimals:
- Convert each fraction to its decimal form to make comparison easier.

- For [tex]\(\frac{3}{4}\)[/tex]:
[tex]\[ \frac{3}{4} = 0.75 \][/tex]

- For [tex]\(\frac{7}{6}\)[/tex]:
[tex]\[ \frac{7}{6} = 1.1666666666666667 \text{ (approximately 1.167)} \][/tex]

3. Compare Decimal Values using Benchmarks:
- Use the converted decimal values [tex]\(0.75\)[/tex] and [tex]\(1.167\)[/tex] as benchmarks for comparison.

4. Draw Conclusion:
- Compare [tex]\(0.75\)[/tex] and [tex]\(1.167\)[/tex]:
[tex]\[ 0.75 < 1.167 \][/tex]

- Therefore, the fraction [tex]\(\frac{3}{4}\)[/tex] is less than [tex]\(\frac{7}{6}\)[/tex].

Hence, the final comparison result is:
[tex]\[ \frac{3}{4} \text{ is less than } \frac{7}{6} \][/tex]