Add 28/98 and 70/15
1st number: 28/98, 2nd number: 4 10/15
28/98 + 70/15 is 104/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
70/15 = 70 × 98/15 × 98 = 6860/1470 - Add the two like fractions:
420/1470 + 6860/1470 = 420 + 6860/1470 = 7280/1470 - 7280/1470 simplified gives 104/21
- So, 28/98 + 70/15 = 104/21
In mixed form: 420/21
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