Question

Find the lowest common denominator and solve
21 1/3 - 14 1/5​

Answer 1

107/15

Explanation:

21 1/3 = 64/3

14 1/5 = 71/5

64/3 - 71/5

lowest common denominator is 15

= 5(64/3) - 3(71/5)

= 320/15 - 213/15

= 107/15