Add 81/27 and 21/98
1st number: 3 0/27, 2nd number: 21/98
81/27 + 21/98 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 27 × 98 = 2646,
81/27 = 81 × 98/27 × 98 = 7938/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
21/98 = 21 × 27/98 × 27 = 567/2646 - Add the two like fractions:
7938/2646 + 567/2646 = 7938 + 567/2646 = 8505/2646 - 8505/2646 simplified gives 45/14
- So, 81/27 + 21/98 = 45/14
In mixed form: 33/14
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