Add 21/27 and 30/98
21/27 + 30/98 is 478/441.
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,
21/27 = 21 × 98/27 × 98 = 2058/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
30/98 = 30 × 27/98 × 27 = 810/2646 - Add the two like fractions:
2058/2646 + 810/2646 = 2058 + 810/2646 = 2868/2646 - 2868/2646 simplified gives 478/441
- So, 21/27 + 30/98 = 478/441
In mixed form: 137/441
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