SSC CHSL 2027: Fraction and Decimal Conversion Shortcuts

30/10/2026

SSC CHSL 2027: Fraction and Decimal Conversion Shortcuts

Fractions and decimals are useful concepts in quantitative aptitude for SSC CHSL 2027 preparation. Knowing common conversions can save time during calculations and help improve accuracy. This quick revision guide covers conversion methods, shortcut values, solved examples and practice questions.

1. How to Convert a Fraction into a Decimal

To convert a fraction into a decimal, divide the numerator by the denominator.

Example: Convert 3/4 into a decimal.

3 ÷ 4 = 0.75

Answer: 0.75

For fractions with denominators such as 10, 100 or 1,000, conversion is even easier.

7/10 = 0.7
23/100 = 0.23
125/1000 = 0.125

2. Important Fraction-to-Decimal Shortcuts

Memorise these common conversions for faster calculations in competitive exams.

Fraction	Decimal	Percentage
1/2	0.5	50%
1/3	0.333...	33.333...%
1/4	0.25	25%
1/5	0.2	20%
1/6	0.1666...	16.666...%
1/8	0.125	12.5%
1/10	0.1	10%
3/8	0.375	37.5%
3/5	0.6	60%
7/8	0.875	87.5%

3. How to Convert a Decimal into a Fraction

Write the decimal number over 10, 100 or 1,000 according to the number of digits after the decimal point. Then simplify the fraction.

Example 1: Convert 0.6 into a fraction.

0.6 = 6/10 = 3/5

Answer: 3/5

Example 2: Convert 0.25 into a fraction.

0.25 = 25/100 = 1/4

Answer: 1/4

Example 3: Convert 1.75 into a fraction.

1.75 = 175/100 = 7/4 = 1¾

Answer: 7/4

4. Quick Conversion Rules

Fraction to decimal: Divide the numerator by the denominator.
Decimal to fraction: Use place value and simplify.
Fraction to percentage: Multiply the fraction by 100.
Decimal to percentage: Multiply the decimal by 100 and add the percentage sign.

Example: 0.35 × 100 = 35%.

5. SSC CHSL 2027 Practice Questions

1. What is the decimal form of 3/5?
A. 0.3
B. 0.5
C. 0.6
D. 0.8
Answer: C. 0.6

2. Convert 0.75 into a fraction in its simplest form.
A. 1/4
B. 2/3
C. 3/4
D. 4/5
Answer: C. 3/4

3. What is 1/8 in decimal form?
A. 0.125
B. 0.25
C. 0.8
D. 0.0125
Answer: A. 0.125

4. Convert 0.4 into a fraction in its simplest form.
A. 1/4
B. 2/5
C. 3/5
D. 4/5
Answer: B. 2/5

5. What percentage is equal to 0.25?
A. 2.5%
B. 20%
C. 25%
D. 40%
Answer: C. 25%

6. Frequently Asked Questions

How do you convert a fraction into a decimal quickly?

Divide the numerator by the denominator. Memorising common fractions such as 1/2, 1/4, 1/5 and 1/8 can speed up calculations.

How do you convert a decimal into a fraction?

Write the decimal as a fraction using its place value, then divide the numerator and denominator by their highest common factor.

Are these exact SSC CHSL 2027 exam questions?

No. These are practice questions for revision. Actual examination questions may differ.

Conclusion

For SSC CHSL 2027, memorise common fraction-to-decimal values and practise converting decimals into simplified fractions. These shortcuts can help with calculations in simplification, percentages, ratios and other quantitative aptitude topics.