Bu Ratna adalah guru sosiologi di SMA Bangsa. Saat ini ruang kelas baru direnovasi dengan berbagai fasilitas modern seperti papan tulis interaktif, proyektor dan layar, sudut diskusi, rak buku dan wifi. Bu Ratna ingin membuat suasana kelas yang nyaman untuk diskusi terbuka dan refleksi. Berdasarkan kondisi tersebut, lingkungan fisik yang perlu disesuaikan untuk pembelajaran Bu Ratna adalah Meletakkan kursi dan meja berbaris menghadap papan tulis Menggunakan sudut diskusi sebagai tempat membaca b
Answer (4)
The **simplest **form of 9/10 - 1/4 is 13/20 .
Given,
9/10 - 1/4
Here,
To simplify the **subtraction **of fractional numbers,
Firstly take LCM of denominators,
**LCM **of 10 and 4 = 20
So,
18 -5/20
= 13/20
Thus the **simplest **form is 13/20 .
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In order to do this, you must make the denominators equal by finding their least common multiple. In this case, the LCM of 10 and 4 is 20.
Now whatever was used to multiply the denominator to make it equal twenty, you must also multiply the numerator by that number. So 10 was multiplied by 2 to make it 20 so 9 will also be multiplied by two, making the fraction 18/20. To make 4 become 20, it is multiplied by 5 so 1 will also be multiplied by 5. The new fraction is 5/20.
Now that we have like fractions, we can subtract (or add) them. 18 - 5 = 13. So the result is 13/20. To make a fraction it's simplest form, it has to be reduced to a point where it can no longer be reduced. We already know that 13 is a prime number so there is no way for it to be reduced. The answer is still 13/20.
To find 10 9 − 4 1 , convert both fractions to a common denominator, which is 20. This results in 20 13 after performing the subtraction. The answer is already in its simplest form.
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Jawaban:Meletakkan kursi dan meja berbaris menghadap papan tulisPenjelasan:Meletakkan kursi dan meja berbaris menghadap papan tulis
