1 and 3.
63 + 30% = 63*1.3 = 81.9
3 goes into 36 and 63 evenly.
The GCF is 3.
The GCF of 20, 30 and 63 is 1.
30/63 = 10/21
63-negative93 = -30
7 is the HCF of 35 and 63
93 minus 63 = 30
The common factors of 30 and 63 are 1 and 3.
Least Common Multiple (LCM) for 63 30 is 630.
120 x 100 / 30 = 400
3 goes into both