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455 LearnersLast updated on August 5, 2025


31/8 in decimals can be written as 3.875. It is a terminating decimal.
To convert 31/8 into a decimal, we will use the division method. Here, 31 is larger than 8, so we can divide directly without needing to adjust with a decimal initially.
Let's see the step-by-step breakdown of the process.
Step 1: Identify the numerator and denominator because the numerator (31) will be taken as the dividend and the denominator (8) will be taken as the divisor.
Step 2: Divide 31 by 8.
Step 3: 8 goes into 31 three times because 8 × 3 = 24. Write 3 in the quotient place.
Step 4: Subtract 24 from 31, which gives 7.
Step 5: Bring down a 0 to make it 70. Now divide 70 by 8.
Step 6: 8 goes into 70 eight times because 8 × 8 = 64. Write 8 in the quotient place after the decimal.
Step 7: Subtract 64 from 70, which gives 6.
Step 8: Bring down another 0 to make it 60. Now divide 60 by 8.
Step 9: 8 goes into 60 seven times because 8 × 7 = 56. Write 7 in the quotient place.
Step 10: Subtract 56 from 60, which gives 4.
Step 11: Bring down another 0 to make it 40. Now divide 40 by 8.
Step 12: 8 goes into 40 five times because 8 × 5 = 40. Write 5 in the quotient place.
The answer for 31/8 as a decimal will be 3.875.
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