Add 12/3 and 21/30
1st number: 4 0/3, 2nd number: 21/30
12/3 + 21/30 is 47/10.
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,
12/3 = 12 × 10/3 × 10 = 120/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
120/30 + 21/30 = 120 + 21/30 = 141/30 - 141/30 simplified gives 47/10
- So, 12/3 + 21/30 = 47/10
In mixed form: 47/10
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