21 - 1 = 20 = 5 x 4
1/5 = 2/10 = 0.2
4.2
21/5 = 4 and 1/5 or 4.2 in decimal
5⁄21 = 0.238095238095
5.58333
1/5 = 0.2
0.8
15/63 simplifies to 5/21:5/21 = 5 ÷ 21 = 0.238095
21/8 = 2 and 5/8 or 2.625.
2 over 5 as a decimal is 0.4. You have to divide 2 by 5 to get the answer. Put the 2 inside and the 5 outside
32/5 = 9/5 = 1.8
20 over 25 = 4/5 = 4 ÷ 5 = 0.8
21 and 5/6 = 21.83333 .... recurring
21 - 1 = 20 = 5 x 4 4 and 1/5