explain 12/17+17/20
Let's evaluate: 1217 + 1720
ⓘTo add fractions, put them over the same denominator, then add the numerators
12×20 + 17×1717×20
ⓘMultiplications are done before additions and subtractions:
12×20 = 20×(10 + 2) = 20×10 + 20×2 = 200 + 40 = 240‖17×17 = 17×(10 + 7) = 17×10 + 17×7 = 170 + 119 = 289‖17×20 = 20×(10 + 7) = 20×10 + 20×7 = 200 + 140 = 340
240 + 289340
ⓘThe numerator and the denominator are computed before the division: 240 + 289 = 529
▶Result:   529340
The numeric value of: 529340 is:
▷ ≈ 1.5559