17 4/5 + 1 7/20 + 14 17/20
⚠ 17 4/5 is read as the mixed number 17 + 4/5
⚠ 1 7/20 is read as the mixed number 1 + 7/20
Let's calculate: 17 + 45 + 1 + 720 + 14 + 1720
18 + 4×4 + 720 + 14 + 1720
32 + 16 + 720 + 1720
32 + 2320 + 1720
32 + 23 + 1720
32 + 4020
We divide 4020 by the common factor: 20, which gives the new expression: 2
32 + 2
▶Result:   34