Step 1: Converting the mixed fraction into
an improper fraction
Given : 623=6×3+23=203
Step: 2 Finding the product of given
numbers
623×−38
=203×−38
Product of two rational numbers
=ProductofthenumeratorsProductofthedenominators
=−20×33×8=−5×4×33×4×2=−52
Hence, the required product is −52.