Add 20/15 and 28/98
1st number: 1 5/15, 2nd number: 28/98
20/15 + 28/98 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
20/15 = 20 × 98/15 × 98 = 1960/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Add the two like fractions:
1960/1470 + 420/1470 = 1960 + 420/1470 = 2380/1470 - 2380/1470 simplified gives 34/21
- So, 20/15 + 28/98 = 34/21
In mixed form: 113/21
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