About: http://webisa.webdatacommons.org/300610199

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Subtracting fractions and mixed numbers is a skill that you will use all the time.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org