Adding algebraic fractions
\[\frac ab+\frac cd=\frac{ad+bc}{bd}\]
Condition
\(b\ne0,\ d\ne0\)
NMT / ZNO
Formulas and reference
A compact mathematics reference in two levels: the NMT exam sheet and the full ZNO formula set.
ZNO — full reference
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Algebra
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3 formulas
Full ZNO
Expanded school formula set. The “NMT” badge marks formulas also present on the compact sheet.
Rational expressions
Rational expressions
Multiplying algebraic fractions
\[\frac ab\cdot\frac cd=\frac{ac}{bd}\]
Condition
\(b\ne0,\ d\ne0\)
Dividing algebraic fractions
\[\frac ab:\frac cd=\frac{ad}{bc}\]
Condition
\(b\ne0,\ c\ne0,\ d\ne0\)
No formulas match this search.