With Cross multiplication
Answers
Answer:
In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.The method is also occasionally known as the "cross your heart" method because a heart can be drawn to remember which things to multiply together and the lines resemble a heart outline.
Given an equation like:
{\displaystyle {\frac {a}{b}}={\frac {c}{d}}}\frac a b = \frac c d
(where b and d are not zero), one can cross-multiply to get:
{\displaystyle ad=bc\qquad \mathrm {or} \qquad a={\frac {bc}{d}}.}ad = bc \qquad \mathrm{or} \qquad a = \frac {bc} d.
In Euclidean geometry the same calculation can be achieved by considering the ratios as those of similar triangles.
Step-by-step explanation:
2/1×10/3
26/2×10/2
26/10×10/10
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Answer:
In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.The method is also occasionally known as the "cross your heart" method because a heart can be drawn to remember which things to multiply together and the lines resemble a heart outline.
Given an equation like:
{\displaystyle {\frac {a}{b}}={\frac {c}{d}}}\frac a b = \frac c d
(where b and d are not zero), one can cross-multiply to get:
{\displaystyle ad=bc\qquad \mathrm {or} \qquad a={\frac {bc}{d}}.}ad = bc \qquad \mathrm{or} \qquad a = \frac {bc} d.
In Euclidean geometry the same calculation can be achieved by considering the ratios as those of similar triangles.
Step-by-step explanation:
2/1×10/3
26/2×10/2
26/10×10/10