explain 5/6-9/13
Let's evaluate: 56 -913
ⓘTo add fractions, put them over the same denominator, then add the numerators
5×13 -9×66×13
ⓘMultiplications are done before additions and subtractions:
5×13 = (10 + 3)×5 = 10×5 + 3×5 = 50 + 15 = 65‖6×13 = (10 + 3)×6 = 10×6 + 3×6 = 60 + 18 = 78
ℹ-9×6 = -54
65 -5478
ⓘThe numerator and the denominator are computed before the division: 65 -54 = 11
▶Result:   1178
The approximate value of: 1178 is:
▷ ≈ 0.1410