what is ; 3 3/4 - 2 1/5 thanks!

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07-02-2022
Mathematics

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what is ; 3 3/4 - 2 1/5 thanks!

Sagot :

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Cantnotyes Cantnotyes · Answer 1 · 2022-02-07T17:13:52-05:00

Answer:1 11/20 (I think)

Step-by-step explanation: First subtracting 3 - 2 gets you 1. so we keep that aside and do fractions. first, what do 4 and 5 have in common? They both can be turned to 20. 3/4 can be multiplied to 20 4x5(20) so we do 3x5=15 now you have 15/20. Hope this makes sense. now we do 1/5 to ?/20 5x4=20 1x4=4 so 15/20-4/20=11/20 11/20+1= 1 11/20

-Sorry if its too complicated

(undo ur answer if u trusted me before bc I messed up)

(its good now)

38571218 38571218 · Answer 2 · 2022-02-07T17:14:53-05:00

Answer:

1[tex]\frac{11}{20}[/tex]

Step-by-step explanation:

3[tex]\frac{3}{4}[/tex] - 2[tex]\frac{1}{5}[/tex]

Multiply 3 and 4 to get 12.

[tex]\frac{12+3}{4} - \frac{2x5+1}{5}[/tex]

Add 12 and 3 to get 15.

[tex]\frac{15}{4} - \frac{2x5+1}{5}[/tex]

Multiply 2 and 5 to get 10.

[tex]\frac{15}{4}[/tex] - [tex]\frac{10+1}{5}[/tex]

Add 10 and 1 to get 11.

[tex]\frac{15}{4} - \frac{11}{5}[/tex]

The least common multiple of 4 and 5 is 20. Convert [tex]\frac{15}{4}[/tex] and [tex]\frac{11}{5}[/tex] to fractions with denominator 20.

[tex]\frac{75}{20} - \frac{44}{20}[/tex]

Since [tex]\frac{75}{20}[/tex] and [tex]\frac{44}{20}[/tex] have the same denominator, subtract them by subtracting their numerators.

[tex]\frac{75 - 44}{20}[/tex]

Subtract 44 from 75 to get 31.

[tex]\frac{31}{20}[/tex]

Simplify

[tex]\frac{31}{2^{2} x 5 }[/tex] = [tex]1\frac{11}{20}[/tex]

Hope it helps and have a great day! =D

~sunshine~

Sagot :

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