Add 7/81 and 72/98
7/81 + 72/98 is 3259/3969.
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,
7/81 = 7 × 98/81 × 98 = 686/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
72/98 = 72 × 81/98 × 81 = 5832/7938 - Add the two like fractions:
686/7938 + 5832/7938 = 686 + 5832/7938 = 6518/7938 - 6518/7938 simplified gives 3259/3969
- So, 7/81 + 72/98 = 3259/3969
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