explain 11/18-3/10
Let's evaluate: 1118 -310
ⓘTo add fractions, put them over the same denominator, then add the numerators
11×5 -3×918×5
ⓘMultiplications are done before additions and subtractions:
11×5 = (10 + 1)×5 = 10×5 + 5 = 50 + 5 = 55‖18×5 = (10 + 8)×5 = 10×5 + 8×5 = 50 + 40 = 90
ℹ-3×9 = -27
55 -2790
ⓘThe numerator and the denominator are computed before the division: 55 -27 = 28
2890
ⓘWe simplify the fraction by dividing the numerator and the denominator by the number 2: 2890 = 14×245×2 = 1445
▶Result:   1445
The numeric value of: 1445 equals:
▷ ≈ 0.3111