Add 70/98 and 80/30
1st number: 70/98, 2nd number: 2 20/30
70/98 + 80/30 is 71/21.
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,
70/98 = 70 × 15/98 × 15 = 1050/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
80/30 = 80 × 49/30 × 49 = 3920/1470 - Add the two like fractions:
1050/1470 + 3920/1470 = 1050 + 3920/1470 = 4970/1470 - 4970/1470 simplified gives 71/21
- So, 70/98 + 80/30 = 71/21
In mixed form: 38/21
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