Add 20/98 and 15/81
20/98 + 15/81 is 515/1323.
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,
20/98 = 20 × 81/98 × 81 = 1620/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
15/81 = 15 × 98/81 × 98 = 1470/7938 - Add the two like fractions:
1620/7938 + 1470/7938 = 1620 + 1470/7938 = 3090/7938 - 3090/7938 simplified gives 515/1323
- So, 20/98 + 15/81 = 515/1323
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