How do you add #\frac { 7} { 8} + \frac { 8} { 10}#?

1 Answer
Jan 14, 2017

#67/40#

Explanation:

Multiply each fraction's numerator and denominator by the same number, so that both denominators are the same:

#7/8 = 35/40# and #8/10 = 32/40#.

Now add the fractions:

#35/40 + 32/40 = 67/40#.

#67# is prime, so no further simplification of the fraction is possible.