somdragraham53 somdragraham53

04-01-2015
English

contestada

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

Respuesta :

kaybae369 kaybae369

04-01-2015

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

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