Add 84/98 and 70/30
1st number: 84/98, 2nd number: 2 10/30
84/98 + 70/30 is 67/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
70/30 = 70 × 49/30 × 49 = 3430/1470 - Add the two like fractions:
1260/1470 + 3430/1470 = 1260 + 3430/1470 = 4690/1470 - 4690/1470 simplified gives 67/21
- So, 84/98 + 70/30 = 67/21
In mixed form: 34/21
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