by using roman numerals 20 is XX 1 is I 19 is IXX (1+20, I+XX)
To add one quarter (1/4) and one fifth (1/5), you first need a common denominator, which is 20. Converting the fractions, 1/4 becomes 5/20 and 1/5 becomes 4/20. Adding these gives you 5/20 + 4/20 = 9/20. Thus, 1 quarter plus 1 fifth equals 9/20.
19 + 1 = 20
Evens. They can be paired: 1-2, 3-4, 5-6, ... , 19-20 and in each pair, the even number is larger.
Subtract a negative 1. 19 - (-1) = 20
20 - 19 = 1
Answer: 19 20 - 1 = 19.
the answer is 20-19=1
The GCF of 19 and 20 is 1.
20 - 19 equals 1. This is a simple subtraction operation where you take 19 away from 20, leaving you with a result of 1.
1 1/19
19 dollars 20 x .05 = 1 20 - 1 = 19
19/20-3/4=1/5 3/4-19/20= -1/5