Add 81/98 and 20/15
1st number: 81/98, 2nd number: 1 5/15
81/98 + 20/15 is 635/294.
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,
81/98 = 81 × 15/98 × 15 = 1215/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
20/15 = 20 × 98/15 × 98 = 1960/1470 - Add the two like fractions:
1215/1470 + 1960/1470 = 1215 + 1960/1470 = 3175/1470 - 3175/1470 simplified gives 635/294
- So, 81/98 + 20/15 = 635/294
In mixed form: 247/294
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