Add 28/5 and 21/6
1st number: 5 3/5, 2nd number: 3 3/6
28/5 + 21/6 is 91/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
28/5 = 28 × 6/5 × 6 = 168/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Add the two like fractions:
168/30 + 105/30 = 168 + 105/30 = 273/30 - 273/30 simplified gives 91/10
- So, 28/5 + 21/6 = 91/10
In mixed form: 91/10
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