Adding Fractions: Common Denominator

Solve: To add these two fractions we need to find a common denominator. IT will be the LCM of 11 and 13. However, 11 and 13 don’t share a common factor so their LCM will be the product of 11 and 13. 11 x 13 = 143 Therefore: For the fraction, 4/11, since we multiplied…

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