4 4 1 โ โ 2 20 11 โ Change them into improper fractions by multiplying the denominator(bottom) by the whole number then adding the numerator 4 17 โ - 20 51 โ You must have a common denominator Multiply 4 17 โ by 5 5 โ โ 20 85 โ 20 85 โ - 20 51 โ = 20 34 โ Simplify by dividing the numerator by the denominator 34รท20= 1 20 14 โ โ 1 10 7 โ reduced You answer is 1 10 7 โ
This could be solved as a group of mixed numbers, but I like to work with improper fractions more. 17/4 - 51/20 Next, you need to find a common denominator. 85/20 -51/20 When adding and subtracting fractions, you only work in the numerator, and the denominator stays the same. 34/20 Then, you just simplify. Improper fraction: 17/10 Mixed number: 1 7/10 Decimal: 1.7
To solve 4 4 1 โ โ 2 20 11 โ , convert the mixed numbers to improper fractions, find a common denominator, subtract, and simplify the result. The final answer is 1 10 7 โ .
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