Add 9/18 and 21/16
1st number: 9/18, 2nd number: 1 5/16
9/18 + 21/16 is 29/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
9/18 = 9 × 8/18 × 8 = 72/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
21/16 = 21 × 9/16 × 9 = 189/144 - Add the two like fractions:
72/144 + 189/144 = 72 + 189/144 = 261/144 - 261/144 simplified gives 29/16
- So, 9/18 + 21/16 = 29/16
In mixed form: 113/16
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