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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
[tex] 4\frac{1}{4} - 2\frac{11}{20} [/tex] Change them into improper fractions by multiplying the denominator(bottom) by the whole number then adding the numerator [tex] \frac{17}{4} [/tex] - [tex] \frac{51}{20} [/tex] You must have a common denominator Multiply [tex] \frac{17}{4} [/tex] by [tex] \frac{5}{5} [/tex]⇒[tex] \frac{85}{20} [/tex] [tex] \frac{85}{20} [/tex]-[tex] \frac{51}{20} [/tex]=[tex] \frac{34}{20} [/tex] Simplify by dividing the numerator by the denominator 34÷20=[tex] 1\frac{14}{20} [/tex]⇒[tex]1 \frac{7}{10} [/tex] reduced You answer is [tex]1 \frac{7}{10} [/tex]
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