No.
2/5 with the denominator of 20 would be 8/20.
2*3=6 5*4=20 answer is 6/20
11/20
2/5 - 3/4 = 8/20 - 15/20 = -7/20 (negative 7/20)
3/8 x 2/5 = 3/20
2 3 over 20
2/5 + 3/4 - 1/2 equals 8/20 + 15/20 - 10/20 which adds up to 8/20 This equals 4/5
3 over 20
14/20 - 3/5 = 14/20 - 12/20 = 2/20 = 1/10
-20/6 + 5/6 = -15/6 = -5/2 or -2 and 1/2
3/4 × 2/5 = (3×2)/(4×5) = 6/20 = 3/10
2/3 = 20/30 5/10 = 15/30 20 is bigger than 15.
20