Add 7/98 and 80/30
1st number: 7/98, 2nd number: 2 20/30
7/98 + 80/30 is 115/42.
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,
7/98 = 7 × 15/98 × 15 = 105/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
80/30 = 80 × 49/30 × 49 = 3920/1470 - Add the two like fractions:
105/1470 + 3920/1470 = 105 + 3920/1470 = 4025/1470 - 4025/1470 simplified gives 115/42
- So, 7/98 + 80/30 = 115/42
In mixed form: 231/42
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