explain 13/17+1/18
Let's calculate: 1317 + 118
ⓘTo add fractions, put them over the same denominator, then add the numerators
13×18 + 1×1717×18
ⓘMultiplications are done before additions and subtractions:
13×18 = 18×(10 + 3) = 18×10 + 18×3 = 180 + 54 = 234‖17×18 = 18×(10 + 7) = 18×10 + 18×7 = 180 + 126 = 306
ℹ1×17 = 17
234 + 17306
ⓘThe numerator and the denominator are computed before the division: 234 + 17 = 251
▶Result:   251306
The approximate value of: 251306 is:
▷ ≈ 0.8203