Write the decimal $0.75$0.75 as a simplified fraction.

Write the decimal $0.6$0.6 as a fraction in its simplest form.

Write the decimal $0.9$0.9 as a fraction in simplest form.

Write the decimal $0.25$0.25 as a fraction in simplest form.

Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages.