Add 21/54 and 63/98
21/54 + 63/98 is 65/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
21/54 = 21 × 49/54 × 49 = 1029/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
63/98 = 63 × 27/98 × 27 = 1701/2646 - Add the two like fractions:
1029/2646 + 1701/2646 = 1029 + 1701/2646 = 2730/2646 - 2730/2646 simplified gives 65/63
- So, 21/54 + 63/98 = 65/63
In mixed form: 12/63
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