1 1/7 x 1 3/4= 2 Change the mixed fraction to an improper fraction: 1 1/7=8/7 1 3/4=7/4 Multiply the two fraction: 8/7 x 7/4 = 56/28 Now reduce by figuring out how much 28 can go into 56. The answer is a whole number which is 2!
Turn it into a improper fraction. 7*1=7+1=8 . SO it would be 8/7 4*1=4+3=7/4. Multiply them. 8/7* 7/4=56/28. They could both be divided by 4. 56/4=14. 28/4=7. 14/7=2. So 2 is the simplest form <span />
1st; t+u=10 2nd: t-u=6 Add 1st and 2nd and solve for t,as follows: 2t = 16 t = 8 Substitute in t+u=10 to solve for u: 8+u=10 u = 2 Original Number = 82</span>