13 9/20 + 2 3/5 + 12 1/8
⚠ 13 9/20 is read as the mixed number 13 + 9/20
⚠ 2 3/5 is read as the mixed number 2 + 3/5
Let's calculate: 13 + 920 + 2 + 35 + 12 + 18
15 + 9 + 4×320 + 12 + 18
27 + 9 + 1220 + 18
27 + 2120 + 18
27 + 21×2 + 520×2
27 + 42 + 540
27 + 4740
ⓘThe fraction 4740 is greater than 1: add its integer part 1 to the whole part: 4740 + 27 = 28 + 740
▶Result:   28 740
The numeric value of: 28 + 740 is:
28 + 0.175
▷ 28.175