Find six rational numbers between 3 and 4.
Since we want six rational numbers, we write 3 and 4 as rational numbers with denominator 3 + 4 = 7,
i.e.,
3=3×77=2173 = \dfrac{3 \times 7}{7} = \dfrac{21}{7}3=73×7=721
and
4=4×77=2874 = \dfrac{4 \times 7} {7} = \dfrac{28}{7}4=74×7=728
∴ Rational numbers between 3 and 4 are, 227\dfrac{22}{7}722, 237\dfrac{23}{7}723, 247\dfrac{24}{7}724, 257\dfrac{25}{7}725, 267\dfrac{26}{7}726, 277\dfrac{27}{7}727