Add 21/3 and 20/30
1st number: 7 0/3, 2nd number: 20/30
21/3 + 20/30 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Add the two like fractions:
210/30 + 20/30 = 210 + 20/30 = 230/30 - 230/30 simplified gives 23/3
- So, 21/3 + 20/30 = 23/3
In mixed form: 72/3
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