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Exact Answer
1/52 + 10/21 = 541/1092
Simplified Fraction
541/1092
Mixed Number
Proper (541/1092)
Decimal Value
0.495421
Percentage
49.5421%

Step-by-Step Solution: 1/52 + 10/21

Step 1

Find the Least Common Denominator (LCD)

The denominators 52 and 21 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 52 × 21 = 1092.
LCD(52, 21) = 1092
Step 2

Convert to Equivalent Fractions with Common Denominator 1092

Multiply the numerator and denominator of 1/52 by 21, and multiply the numerator and denominator of 10/21 by 52 so both fractions share the common base 1092.
1 × 21/52 × 21 = 21/1092   and   10 × 52/21 × 52 = 520/1092
Step 3

Add the Numerators

Now add the numerators (21 + 520 = 541) and keep the common denominator 1092 unchanged.
21 + 520/1092 = 541/1092
Step 4

Check if the Fraction Can Be Simplified

The Greatest Common Divisor (GCD) of 541 and 1092 is 1, confirming that 541/1092 cannot be reduced further—it is already in its simplest irreducible form.
541/1092
Step 5

Decimal & Percentage Representation

Dividing the numerator 541 by denominator 1092 produces a repeating decimal (approximately 0.495421, or 49.5421%).
541 ÷ 1092 = 0.495421 (49.5421%)

Visual Representation

The diagram below illustrates 1/52 plus 10/21 visually:

1/521 of 52 parts shadedValue: 0.0192 (1.9%)
+
10/2110 of 21 parts shadedValue: 0.4762 (47.6%)
=
Result: 541/1092541 of 1092 parts shadedValue: 0.4954 (49.5%)

Summary & Alternative Representations

Property / FormatValue
Lowest Terms Fraction541/1092
Mixed Number Form541/1092
Decimal Form0.495421
Percentage49.5421%

Frequently Asked Questions

What is 1/52 plus 10/21 as a fraction?

1/52 + 10/21 in simplest fraction form is 541/1092.

What is 1/52 plus 10/21 as a decimal?

1/52 + 10/21 converted to a decimal is 0.495421.

What is 1/52 plus 10/21 as a percentage?

1/52 + 10/21 expressed as a percentage is 49.5421%.

Does 1/52 plus 10/21 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.495421...) because the denominator contains prime factors other than 2 and 5.