Add 84/98 and 63/81
84/98 + 63/81 is 103/63.
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,
84/98 = 84 × 81/98 × 81 = 6804/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
63/81 = 63 × 98/81 × 98 = 6174/7938 - Add the two like fractions:
6804/7938 + 6174/7938 = 6804 + 6174/7938 = 12978/7938 - 12978/7938 simplified gives 103/63
- So, 84/98 + 63/81 = 103/63
In mixed form: 140/63
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