Add 16/12 and 21/18
1st number: 1 4/12, 2nd number: 1 3/18
16/12 + 21/18 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
16/12 = 16 × 3/12 × 3 = 48/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36 - Add the two like fractions:
48/36 + 42/36 = 48 + 42/36 = 90/36 - 90/36 simplified gives 5/2
- So, 16/12 + 21/18 = 5/2
In mixed form: 21/2
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