関連ワード:  how to write a ratio as a proportion    how to write a ratio as a fraction    how to write a ratio as a percent    how to write a ratio as a fraction in simplest form    how to write a ratio as a fraction in lowest terms    how to write a rate as a fraction    how to make a ratio as a fraction    how to write a ratio as a simplified fraction    how to write a decimal ratio as a fraction    how to make a ratio proportional