Practice: Fraction–Decimal–Percent Conversions
Convert between all three forms, use benchmark percents for mental math, and find a percent of a number.
1 Practice
Untimed practice with hints and full worked solutions. Every problem is generated fresh.
Correct 0 of 0 · Streak 0
Scores are session-only — they reset when you leave this page.
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How to enter answers
- For percent answers, enter just the number:
40(a trailing%is also accepted). - For fraction answers, use a slash in lowest terms:
3/5. - Decimals are fine too:
0.6equals3/5.
2 Problem types
The generator mixes these types at random.
Decimal to percent
Slide the point two places right.
0.4 → 40%
Percent to decimal
Slide the point two places left.
8% → 0.08
Fraction to percent
Divide, then slide right two.
3/8 → 37.5%
Percent to fraction
Write over 100 and simplify.
60% → 3/5
Benchmark percents
50%, 25%, 10%, 1% from memory.
25% of 80 = 20
Percent of a number
Convert to a decimal, then multiply.
15% of 80 = 12
What percent?
Part ÷ whole, then convert.
50 is 25% of 200