Add 21/98 and 54/63
21/98 + 54/63 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
54/63 = 54 × 14/63 × 14 = 756/882 - Add the two like fractions:
189/882 + 756/882 = 189 + 756/882 = 945/882 - 945/882 simplified gives 15/14
- So, 21/98 + 54/63 = 15/14
In mixed form: 11/14
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