Add 80/98 and 28/81
80/98 + 28/81 is 4612/3969.
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,
80/98 = 80 × 81/98 × 81 = 6480/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
28/81 = 28 × 98/81 × 98 = 2744/7938 - Add the two like fractions:
6480/7938 + 2744/7938 = 6480 + 2744/7938 = 9224/7938 - 9224/7938 simplified gives 4612/3969
- So, 80/98 + 28/81 = 4612/3969
In mixed form: 1643/3969
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