Add 40/81 and 63/98
40/81 + 63/98 is 1289/1134.
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,
40/81 = 40 × 98/81 × 98 = 3920/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
63/98 = 63 × 81/98 × 81 = 5103/7938 - Add the two like fractions:
3920/7938 + 5103/7938 = 3920 + 5103/7938 = 9023/7938 - 9023/7938 simplified gives 1289/1134
- So, 40/81 + 63/98 = 1289/1134
In mixed form: 1155/1134
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Related: 80/81+63/98