Add 12/3 and 21/5
1st number: 4 0/3, 2nd number: 4 1/5
12/3 + 21/5 is 41/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
12/3 = 12 × 5/3 × 5 = 60/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
21/5 = 21 × 3/5 × 3 = 63/15 - Add the two like fractions:
60/15 + 63/15 = 60 + 63/15 = 123/15 - 123/15 simplified gives 41/5
- So, 12/3 + 21/5 = 41/5
In mixed form: 81/5
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