Add 21/98 and 42/18
1st number: 21/98, 2nd number: 2 6/18
21/98 + 42/18 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 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 18 × 49 = 882,
42/18 = 42 × 49/18 × 49 = 2058/882 - Add the two like fractions:
189/882 + 2058/882 = 189 + 2058/882 = 2247/882 - 2247/882 simplified gives 107/42
- So, 21/98 + 42/18 = 107/42
In mixed form: 223/42
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