116
53/60 as a percentage = 100*53/63% = 84.13% approx.
The GCF is 1.
63 - 10 = 53
Do you mean like what is the number exactly between them. 53+63=116/2=58
53
53
63
63
Using the least common denominator technique: 2/7 = 18/63. 5/9 = 35/63. 18/63 + 35/63 = 53/63. Because 53 is prime, this fraction cannot be reduced further.
14
54
43