Add 18/16 and 1/21
1st number: 1 2/16, 2nd number: 1/21
18/16 + 1/21 is 197/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
18/16 = 18 × 21/16 × 21 = 378/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
1/21 = 1 × 16/21 × 16 = 16/336 - Add the two like fractions:
378/336 + 16/336 = 378 + 16/336 = 394/336 - 394/336 simplified gives 197/168
- So, 18/16 + 1/21 = 197/168
In mixed form: 129/168
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