Answer:
1 9/10
Explanation:
Rewriting our equation with parts separated
1+1/2+2/5
Solving the fraction parts
1/2+2/5=?
Find the LCD of 1/2 and 2/5 and rewrite to solve with the equivalent fractions.
LCD = 10
5/10+4/10=9/10
Combining the whole and fraction parts
1+9/10= 1 9/10
OR
Solution by Formulas
Convert any mixed numbers to fractions.
Then your initial equation becomes:
3/2+2/5
Applying the fractions formula for addition,
(3×5)+(2×2)
2×5
= 15+4
10
= 19/10
Simplifying 19/10, the answer is
1 9/10
Hope this helps!