1) 1/6 ≅ 0.16
2) 1 17/60 = 77/60 ≅ 1.28
3) 7/20 + 2.23 = 0.35 + 2.23 = 2.58 = 2.6
4) 31.28 - 8 5/8 = 31.28 - 53/8 = 31.28 - 6.625 = 24.655 = 24.66
5) 4 7/16 - 3.02 × 1.27 = 71/16 - 3.8354 = 4.4375 - 3.8354 = 0.6021 = 0.602
1) 1/6 ≅ 0.16
2) 1 17/60 = 77/60 ≅ 1.28
3) 7/20 + 2.23 = 0.35 + 2.23 = 2.58 = 2.6
4) 31.28 - 8 5/8 = 31.28 - 53/8 = 31.28 - 6.625 = 24.655 = 24.66
5) 4 7/16 - 3.02 × 1.27 = 71/16 - 3.8354 = 4.4375 - 3.8354 = 0.6021 = 0.602