ab = 37; a+b = 18; 1/a + 1/b = b/ab + a/ab = (a+b)/ab = 18/37

		jhncls 57 days ago \| parent \| context \| favorite \| on: My Favorite Math Problem ab = 37; a+b = 18; 1/a + 1/b = b/ab + a/ab = (a+b)/ab = 18/37