54
45 + 8 - 23 + 2 = 32
8/32 + 44/45 = 221/180
90
90
3/5 + 1/9 is 32/45
.32 x 45 = 14.4
13
The sum of 1/9 and 3/5 = 32/45
-45 plus 512 plus 45 plus 56 = 568
The LCM of 32 and 45 is 1440. 32 and 45 have no common factors. We call this relatively prime. When you have relatively prime numbers, their LCM is their product.Since 32 and 45 share no common factors, the LCM would be 32*45 = 1440.
4.5 centimetres is equal to 45 millimetres. Adding this to 32 millimetres gives 77 millimetres or 7.7 centimetres.