Add 28/5 and 14/21
1st number: 5 3/5, 2nd number: 14/21
28/5 + 14/21 is 94/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
28/5 = 28 × 21/5 × 21 = 588/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
14/21 = 14 × 5/21 × 5 = 70/105 - Add the two like fractions:
588/105 + 70/105 = 588 + 70/105 = 658/105 - 658/105 simplified gives 94/15
- So, 28/5 + 14/21 = 94/15
In mixed form: 64/15
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