This article examines the clinical, pathologic, and radiologic features of pulmonary immaturity, the impact of evolving therapeutic strategies, and the changing face of chronic lung disease of prematurity.
intr.v. cross-mulÂ·tiÂ·plied, cross-mulÂ·tiÂ·plyÂ·ing, cross-mulÂ·tiÂ·plies. To multiply the numerator of one of a pair of fractions by the denominator of the other.
Rating Newest Oldest. Best Answer: you cross multiply when you are dividing the fractions. Ex: 2/4 divided by 5/8 this is where you cross multiply another way to divide is by flipping one of the fractions so 2/4divided by 5/8 also equals 2/4 x 8/5 then you just multiply. Source(s): fashionista Â· 8 years ago. Thumbs up.