Add 28/98 and 30/21
1st number: 28/98, 2nd number: 1 9/21
28/98 + 30/21 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
28/98 = 28 × 3/98 × 3 = 84/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
30/21 = 30 × 14/21 × 14 = 420/294 - Add the two like fractions:
84/294 + 420/294 = 84 + 420/294 = 504/294 - 504/294 simplified gives 12/7
- So, 28/98 + 30/21 = 12/7
In mixed form: 15/7
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