Add 21/98 and 56/81
21/98 + 56/81 is 1027/1134.
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,
21/98 = 21 × 81/98 × 81 = 1701/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
56/81 = 56 × 98/81 × 98 = 5488/7938 - Add the two like fractions:
1701/7938 + 5488/7938 = 1701 + 5488/7938 = 7189/7938 - 7189/7938 simplified gives 1027/1134
- So, 21/98 + 56/81 = 1027/1134
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