Add 18/63 and 21/98
18/63 + 21/98 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 63 × 14 = 882,
18/63 = 18 × 14/63 × 14 = 252/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Add the two like fractions:
252/882 + 189/882 = 252 + 189/882 = 441/882 - 441/882 simplified gives 1/2
- So, 18/63 + 21/98 = 1/2
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