Select the three fractions that are equivalent to 3/5

.(3 points)
Responses

810
8 tenths

1220
12 over 20

3050
30 over 50

2135
21 over 35

1215

1 answer

To find three fractions that are equivalent to \( \frac{3}{5} \), we can cross-multiply and check equivalency or simplify the fractions.

  1. For \( \frac{8}{10} \):
    To check if \( \frac{3}{5} = \frac{8}{10} \), we can simplify \( \frac{8}{10} \) by dividing the numerator and denominator by 2: \[ \frac{8 \div 2}{10 \div 2} = \frac{4}{5} \] This does not equal \( \frac{3}{5} \).

  2. For \( \frac{12}{20} \):
    To check if \( \frac{3}{5} = \frac{12}{20} \), we simplify \( \frac{12}{20} \): \[ \frac{12 \div 4}{20 \div 4} = \frac{3}{5} \] This is equivalent.

  3. For \( \frac{30}{50} \):
    To check if \( \frac{3}{5} = \frac{30}{50} \), we simplify \( \frac{30}{50} \): \[ \frac{30 \div 10}{50 \div 10} = \frac{3}{5} \] This is equivalent.

  4. For \( \frac{21}{35} \):
    To check if \( \frac{3}{5} = \frac{21}{35} \), we simplify \( \frac{21}{35} \): \[ \frac{21 \div 7}{35 \div 7} = \frac{3}{5} \] This is equivalent.

  5. For \( \frac{12}{15} \):
    To check if \( \frac{3}{5} = \frac{12}{15} \), we simplify \( \frac{12}{15} \): \[ \frac{12 \div 3}{15 \div 3} = \frac{4}{5} \] This does not equal \( \frac{3}{5} \).

The equivalent fractions to \( \frac{3}{5} \) from the options are:

  • \( \frac{12}{20} \)
  • \( \frac{30}{50} \)
  • \( \frac{21}{35} \)

Final Answer: \( \frac{12}{20}, \frac{30}{50}, \frac{21}{35} \)