109 you can plus like this: (19+1)+20+20+(1+1+18)+4+25
7/20 + 9/10 = 7/20 + 18/20 = 25/20 = 5/4
Solution: 20+25=? 20x.2=4 20+4=24 ans.
LCD(25, 20, 4) = 100.
25/20. Divide both top and bottom by 5.5/4 or 1 and 1/4
It is 20 because it occurs more often
20 occurs more than any other number, so it is the mode.
109 you can plus like this: (19+1)+20+20+(1+1+18)+4+25
7/20 + 9/10 = 7/20 + 18/20 = 25/20 = 5/4
Solution: 20+25=? 20x.2=4 20+4=24 ans.
4/5 of 25 = 20
LCD(25, 20, 4) = 100.
Both 20 and 25 are divisible by 5 20/25 20/5=4 25/5=5 20/25=4/5
25 is the next number that appears in that sequence.
4/5 0f 25 = 20
25/20. Divide both top and bottom by 5.5/4 or 1 and 1/4
20 - 4*4/8 = 20 - 16/8 = 20 - 2 = 18