Fibonacci term,Tenfold value,Addition producing this value,Ratio to previous term,Difference from φ 2,20,Starting pair,—,— 3,30,Starting pair,1.500000000,-0.118033989 5,50,20 + 30,1.666666667,+0.048632678 8,80,30 + 50,1.600000000,-0.018033989 13,130,50 + 80,1.625000000,+0.006966011 21,210,80 + 130,1.615384615,-0.002649373 34,340,130 + 210,1.619047619,+0.001013630 55,550,210 + 340,1.617647059,-0.000386930 89,890,340 + 550,1.618181818,+0.000147829 144,1440,550 + 890,1.617977528,-0.000056461 233,2330,890 + 1440,1.618055556,+0.000021567