Subtract the fractions and simplify the answer 78/9-53/5

1) get the denominators to be the same:

78/9x5 = 390/45. 53/5x9 = 477/45.

2) subtract the fractions:

390/45 - 477/45 = 87/45

3) find the highest common denominator:

common denominator: 3

87/3 = 29

45/3 = 15

answer: 29/15