0.7778
81
24.7778
-100/63 ÷ 10/81 = -90/7 or -126/7
63/81 is 7/9 in simplest form. The numerator and denominator were both divided by the GCF of 9.
The LCM of 81 and 63 is 567.
18 27 36 45 54 63 72 81 90
The factors of 63 are 1, 3, 7, 9, 21, and 63. The factors of 81 are 1, 3, 9, 27, and 81.
Nine 7x9=63 so 63/9=7 9x9=81 s0 81/9=9
63
It is: 63/81 times 100/1 = 77.78% rounded
63/81 = 21/27 = 7/9
The LCM is 3969.