Answer :
t/7 + t/4 = 1
Find common multiple of 7 and 4.
The common factor is 28
Multiply through
4t/28 + 7t/28 = 28/28
Get rid of the denominators.
4t + 7t = 28
11t = 28
t = 28/11
Find common multiple of 7 and 4.
The common factor is 28
Multiply through
4t/28 + 7t/28 = 28/28
Get rid of the denominators.
4t + 7t = 28
11t = 28
t = 28/11