explain 7 7/20 + 10 5/6 + 22 13/20
⚠ 7 7/20 is read as the mixed number 7 + 7/20
⚠ 10 5/6 is read as the mixed number 10 + 5/6
Let's calculate: 7 + 720 + 10 + 56 + 22 + 1320
ⓘTo add fractions, put them over the same denominator, then add the numerators: 720 + 1320 = 7 + 1320
ℹ7 + 10 = 17
17 + 7 + 1320 + 56 + 22
ⓘThe numerator and the denominator are computed before the division: 7 + 13 = 20
ℹ17 + 22 = 39
39 + 2020 + 56
ℹ2020 + 56 = 20×3 + 5×1020×3
39 + 20×3 + 5×1020×3
ⓘMultiplications are done before additions and subtractions: 20×3 = 60
ℹ5×10 = 50‖20×3 = 60
39 + 60 + 5060
ℹ60 + 50 = 110
39 + 11060
ⓘWe simplify the fraction by dividing the numerator and the denominator by the number 10: 11060 = 11×106×10 = 116
39 + 116
ⓘThe fraction 116 is greater than 1: add its integer part 1 to the whole part: 116 + 39 = 40 + 56
▶Result:   40 56
The approximate value of: 40 + 56 is:
40 + ≈ 0.8333
▷ ≈ 40.8333