How do you evaluate #\frac { 7} { 10} + \frac { 5} { 7} #?

1 Answer
Jun 28, 2017

#1frac(29)(70)#

Explanation:

first find the common denominator in this case the LCM is 70.

Multiply each fraction by the fraction that =1 which makes the denominator 70

#7/10*7/7=49/70# and #5/7*10/10=50/70#

now add these and put into mixed number form

#49/70+50/70=99/70=1frac(29)(70)#