Since this is addition, find the least common denominator then you will just add the numerators
4/10 + 55/100
4/10 + 11/20
multiply the first fraction by 2
4*2/10*2 + 11/20
8/20 + 11/20
add the numeratorsÂ
19/20
Decimal form is 0.95
Hope this helps :)
