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Find the multiplicative inverse of 3 by 4 minus 5 by 7​
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Find the multiplicative inverse of 3 by 4 minus 5 by 7​

User Oevna
by
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2 Answers

5 votes
Yup it equals 28 fir this one
User Wooff
by
7.6k points
5 votes

Answer:

28

Explanation:


(3)/(4)-(5)/(7)

Least Common Denominator of 4 & 7 is 4 * 7 = 28


(3)/(4)-(5)/(7)=(3*7)/(4*7)-(5*4)/(7*4)\\\\\\=(21)/(28)-(20)/(28)\\\\\\=(21-20)/(28)\\\\\\=(1)/(28)

Multiplicative inverse of
(1)/(28) is
(28)/(1) = 28

User Kevlened
by
7.6k points
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