37
21 and 21 equal 42.
21 + 21 = 42.
fractions which are equal to 21 = 21/1, 42/2, 63/3,...
21
21%
3x7 = 21
2 / 21 is equal to 0.0952380952380952380952380952381(0.095)
21 cm is equal to 0.21 meters.
21 7
7x3 is equal to 21.
21 divided in to 3 equal parts = 7