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Mental arithmetic

Fractions to Decimals

Drill fraction-to-decimal conversions until they are instant. It is a core mental-math skill tested across quant trading interviews. Mentally calculate the first five decimal digits against a clock you set (1 to 10 minutes), then track your accuracy over time.

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Convert fractions to decimals against the clock. A leading 0. is filled in for you, so just type the first five decimal digits and press Enter.

Questions
10
2 minutes
1 min10 min

Scored out of 10: a correct answer is +1, a wrong answer is -1.

Performance

Targeted practice
best score
attempts

Track your best scores and watch your accuracy climb across every session.

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