Question

7/10+5/8+7/20= and how

Answer 1

10, 8 and 20 all have the number 40 in common
10 x 4 = 40
8 x 5 = 40
20 x 2 = 40
then multiply the numerator the same way you did its denominator
7 x 4 = 28
5 x 5 = 25
7 x 2 = 14
then rewrite your equation with your new fractions
28/40 + 25/40 + 14/20 then add the numerators
28+25+14 = 67

new fraction is 67/40 then simplify
mixed fraction answer is 1 37/40
I might be wrong but thats how i'd solve it....

Answer 2

my bad mixed fraction answer is 1 27/40... but yup thats long hand how to solve that one

Answer 3

thank you so much