Question

Add or subtract the following mixed numbers. First change each mixed number to an equivalent improper fraction. Then find a common denominator, and proceed as before. Be sure your answers are reduced to lowest terms. 1 3/8 - 3/4

Answer 1

Answer:

$\frac{5}{8}$

Step-by-step explanation:

$1\frac{3}{8} - \frac{3}{4} = \frac{11}{8} - \frac{6}{8} = \frac{5}{8}$

* Multiply the denominator by the whole number, finally adding that result to the numerator, with the denominator the same it was when it was a mixed number.

* Least Common Multiple [LCM]: 8

8: 8

4: 4, 8

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