Solutions by everydaycalculation.com

35 + 28 is 1720.

- Find the least common denominator or LCM of the two denominators:

LCM of 5 and 8 is**40**

Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,

35 = 3 × 85 × 8 = 2440 - Likewise, for the 2nd fraction, since 8 × 5 = 40,

28 = 2 × 58 × 5 = 1040 - Add the two like fractions:

2440 + 1040 = 24 + 1040 = 3440 - 34/40 simplified gives 1720
- So, 3/5 + 2/8 = 17/20

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