5/6km2+7/8dam2=......dm2

5/6 km² + ⅞ dam²
= 5/6 × 10^8 dm² + ⅞ × 10⁴ dm²
= 5/6 × 100000000 dm² + ⅞ × 10000 dm²
= 83333333 ⅓ dm² + 6750 dm²
= 83340083 ⅓ dm²