Add the fractions 1/4 3/5 and 7/15 to the lowest terms

Can someone explain to me how to solve this equation: (4/9)-1/2* *Exponent ??

How does multiplying fractions differ from adding fractions

Hello: 1. If 63 books cost $126, what will 125 books cost? Calculation: ($126 X 125)/63 Explanation: If 63 books cost $126, each book will cost one sixty-third of $126, which is expressed by 63 below the divisor line. 125 books will cost 125 times this number of dollars, which is...

reduce the following algerbraic fractions to partial fractions 7x-4 (x-2)(2x-3) 5x-7 (3x+2)^2 (x-3)(x+4) x^2-12x