explain 23 17/20 + 2 2/9 + 1 14/15
⚠ 23 17/20 is read as the mixed number 23 + 17/20
⚠ 2 2/9 is read as the mixed number 2 + 2/9
Let's calculate: 23 + 1720 + 2 + 29 + 1 + 1415
ℹ23 + 2 = 25
25 + 1720 + 29 + 1 + 1415
ℹ25 + 1 = 26
26 + 1720 + 29 + 1415
ⓘTo add fractions, put them over the same denominator, then add the numerators: 1720 + 29 = 17×9 + 2×2020×9
26 + 17×9 + 2×2020×9 + 1415
ⓘMultiplications are done before additions and subtractions:
17×9 = (10 + 7)×9 = 10×9 + 7×9 = 90 + 63 = 153
ℹ2×20 = 40‖20×9 = 180
26 + 153 + 40180 + 1415
ⓘThe numerator and the denominator are computed before the division: 153 + 40 = 193
26 + 193180 + 1415
ℹ193180 + 1415 = 193 + 14×12180
26 + 193 + 14×12180
ⓘ14×12 = 14×(10 + 2) = 14×10 + 14×2 = 140 + 28 = 168
26 + 193 + 168180
ℹ193 + 168 = 361
26 + 361180
ⓘThe fraction 361180 is greater than 1: add its integer part 2 to the whole part: 361180 + 26 = 28 + 1180
▶Result:   28 1180
The approximate value of: 28 + 1180 is:
28 + ≈ 5.5556×10-3
▷ ≈ 28.0056