Add 20/81 and 20/98
20/81 + 20/98 is 1790/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 98 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 81 × 98 = 7938,
20/81 = 20 × 98/81 × 98 = 1960/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
20/98 = 20 × 81/98 × 81 = 1620/7938 - Add the two like fractions:
1960/7938 + 1620/7938 = 1960 + 1620/7938 = 3580/7938 - 3580/7938 simplified gives 1790/3969
- So, 20/81 + 20/98 = 1790/3969
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