Add 21/18 and 7/6
1st number: 1 3/18, 2nd number: 1 1/6
21/18 + 7/6 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
21/18 = 21 × 1/18 × 1 = 21/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
7/6 = 7 × 3/6 × 3 = 21/18 - Add the two like fractions:
21/18 + 21/18 = 21 + 21/18 = 42/18 - 42/18 simplified gives 7/3
- So, 21/18 + 7/6 = 7/3
In mixed form: 21/3
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