explain 5/18-9/14
Let's evaluate: 518 -914
ⓘTo add fractions, put them over the same denominator, then add the numerators
5×7 -9×918×7
ⓘMultiplications are done before additions and subtractions: 5×7 = 35‖18×7 = (10 + 8)×7 = 10×7 + 8×7 = 70 + 56 = 126
ℹ-9×9 = -81
35 -81126
ⓘThe numerator and the denominator are computed before the division: 35 -81 = -46
-46126
ⓘWe simplify the fraction by dividing the numerator and the denominator by the number 2: -46126 = -23×263×2 = -2363
▶Result:   -2363
The approximate value of: -2363 equals:
▷ ≈ -0.3651