1/3 = 0.333… and 3/8 = 0.375. No fraction with a single-digit denominator lies between them.
What is the fraction greater than 1/3 and less than 3/8 that has the lowest denominator? Call that fraction ‘x’.
What is the fraction greater than ‘x’ and less than 3/8 that has the lowest denominator? Call that fraction ‘y’.
Finally, what is the fraction greater than ‘x’ and less than ‘y’ that has the lowest denominator?