-48
18y+48+5y+15 = 270 18y+5y = 270-48-15 23y = 207 y = 9
144
It is: 5/12+15/16 = 65/48 or 1.35416666 .... recurring 6
It equals 285
87 + 15 + 48 = 150
48 + 67 + 134 + 121 + 15 = 385
-48
150
18y+48+5y+15 = 270 18y+5y = 270-48-15 23y = 207 y = 9
20/48 + 15/48 = 35/48
366
26/48 - 15/48 + 18/48 = 29/48
144
All you need to do is add the numbers together like you would for two plus two. To check your work, a calculator will be a great option,but before you use one:for more of a challenge USE YOUR BRAIN! The answer is 288.
It is: 5/12+15/16 = 65/48 or 1.35416666 .... recurring 6
48 plus 510 is 558