Add 21/18 and 20/3
1st number: 1 3/18, 2nd number: 6 2/3
21/18 + 20/3 is 47/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 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 3 × 6 = 18,
20/3 = 20 × 6/3 × 6 = 120/18 - Add the two like fractions:
21/18 + 120/18 = 21 + 120/18 = 141/18 - 141/18 simplified gives 47/6
- So, 21/18 + 20/3 = 47/6
In mixed form: 75/6
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