Long Multiplication: 15 × 12
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What is 15 × 12?
Answer
15 × 12 =
180
2 partial products: 15 × 2 = 30 and 15 × 10 = 150. 12 × 15 gives the same 180.
15 × 12 in a column
| 1 | 5 | ||
| × | 1 | 2 | |
| 3 | 0 | ||
| + | 1 | 5 | 0 |
| 1 | 8 | 0 |
In the column: product 180.
Step by step: 15 × 12
- Step 1Multiply the multiplicand by the last digit of the multiplier, 2: 15 × 2 = 30.
- 5 × 2 = 10. Write 0 and carry 1.
- 1 × 2 = 2, plus the carried 1 makes 3. Write 3.
- Step 2The next digit of the multiplier is 1, and it stands for 10: 15 × 10 = 150.
- 5 × 1 = 5. Write 5.
- 1 × 1 = 1. Write 1.
- Sum of the partial products30 + 150 = 180
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- Times Table Chart - Any number from 1 to 100, rows from ×1 to ×12
- Long Division Calculator - Step-by-step long division with detailed explanation
- Multiplying Fractions Calculator - Multiply fractions, mixed numbers and whole numbers step by step
- Factors of a Number - List all Factors and Factor Pairs of a Number
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
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