WITH GCD AS(
SELECT a, b, a as origA, b as origB,ida,idb
FROM (
SELECT weight as a,name as ida
FROM DISHES
) ab
CROSS JOIN (SELECT weight as b,name as idb FROM DISHES)b
UNION ALL
  SELECT b,a%b,origA,origB,ida,idb
  FROM GCD
  WHERE b > 0
)
SELECT ida as FName, OrigA as FWeight, idb as SDishname, OrigB as SWeight,
CASE WHEN origA/a*origB >=1488
THEN  origA/a*origB/a
ELSE  origA/a*origB
END AS NOK, a as NOD
FROM GCD
WHERE b = 0 AND ida!=idb
ORDER BY origA,origB,a