126
63 plus 47 plus 42 plus 21 is equal to 173.
63
over 9000
fractions which are equal to 21 = 21/1, 42/2, 63/3,...
The GCF is 21.
42 less subtract 21 from 63 , that is to say, 63-21 is 42 so it is 42 less. 63-21 = 42
63 - 21 = 42
How about: 63 plus 42
The GCF is 21.
The GCF is 21.
The GCF is 21.
63 minus 21 is 42.