Add 84/98 and 28/21
1st number: 84/98, 2nd number: 1 7/21
84/98 + 28/21 is 46/21.
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,
84/98 = 84 × 3/98 × 3 = 252/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
28/21 = 28 × 14/21 × 14 = 392/294 - Add the two like fractions:
252/294 + 392/294 = 252 + 392/294 = 644/294 - 644/294 simplified gives 46/21
- So, 84/98 + 28/21 = 46/21
In mixed form: 24/21
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