Problem: how do you solve 6 and 1/7 minus 6/9
help 6 and 1/7 minus 6/9
6 1/7 - 6/9
Change the mixed numbeer to an improper fraction. Multiply the whole number
by the denominator, then add the numerator.
43/7 - 6/9
The fractions must have a common denominator: 7 * 9 = 63.
(43/7)(9/9) - (6/9)(7/7)
387/63 - 42/63
345/63
5 30/63
5 10/21