Add 28/5 and 42/16
1st number: 5 3/5, 2nd number: 2 10/16
28/5 + 42/16 is 329/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
28/5 = 28 × 16/5 × 16 = 448/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Add the two like fractions:
448/80 + 210/80 = 448 + 210/80 = 658/80 - 658/80 simplified gives 329/40
- So, 28/5 + 42/16 = 329/40
In mixed form: 89/40
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