Add 15/98 and 20/81
15/98 + 20/81 is 3175/7938.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 98 × 81 = 7938,
15/98 = 15 × 81/98 × 81 = 1215/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
20/81 = 20 × 98/81 × 98 = 1960/7938 - Add the two like fractions:
1215/7938 + 1960/7938 = 1215 + 1960/7938 = 3175/7938 - So, 15/98 + 20/81 = 3175/7938
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