Add 28/10 and 42/16
1st number: 2 8/10, 2nd number: 2 10/16
28/10 + 42/16 is 217/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
28/10 = 28 × 8/10 × 8 = 224/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Add the two like fractions:
224/80 + 210/80 = 224 + 210/80 = 434/80 - 434/80 simplified gives 217/40
- So, 28/10 + 42/16 = 217/40
In mixed form: 517/40
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