Add 21/3 and 12/30
1st number: 7 0/3, 2nd number: 12/30
21/3 + 12/30 is 37/5.
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,
12/30 = 12 × 1/30 × 1 = 12/30 - Add the two like fractions:
210/30 + 12/30 = 210 + 12/30 = 222/30 - 222/30 simplified gives 37/5
- So, 21/3 + 12/30 = 37/5
In mixed form: 72/5
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