document.write( "Question 847497: 1/3 + 1/8 = \n" ); document.write( "
Algebra.Com's Answer #510482 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! I will do this two different ways.\r \n" ); document.write( "\n" ); document.write( "The common way is to find a common denominator:\r \n" ); document.write( "\n" ); document.write( "What is the common denominator for 3 and 8?\r \n" ); document.write( "\n" ); document.write( "Look at the multiples of 3 and 8\r \n" ); document.write( "\n" ); document.write( "3,6,9,12,15,18,21,24,27,30 \n" ); document.write( "8,16,24\r \n" ); document.write( "\n" ); document.write( "We find that 24 is the first common multiple, so it must be it.\r \n" ); document.write( "\n" ); document.write( "So, we convert each fraction into a denominator of 24.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So adding this together gives us 11/24.\r \n" ); document.write( "\n" ); document.write( "METHOD 2(cross multiply)\r \n" ); document.write( "\n" ); document.write( "1/3 + 1/8 \r \n" ); document.write( "\n" ); document.write( "Start in the left corner and multiply by it with its diagonal\r \n" ); document.write( "\n" ); document.write( "1*8 = 8\r \n" ); document.write( "\n" ); document.write( "Take the other diagonal and multiply together\r \n" ); document.write( "\n" ); document.write( "3*1 = 3\r \n" ); document.write( "\n" ); document.write( "Add those two together to get our numerator.\r \n" ); document.write( "\n" ); document.write( "8+3 = 11\r \n" ); document.write( "\n" ); document.write( "Take the denominators and multiply them together \r \n" ); document.write( "\n" ); document.write( "3*8 = 24\r \n" ); document.write( "\n" ); document.write( "So our answer is (8+3)/24 = 11/24 \n" ); document.write( " |