Add 21/5 and 2/12
1st number: 4 1/5, 2nd number: 2/12
21/5 + 2/12 is 131/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Add the two like fractions:
252/60 + 10/60 = 252 + 10/60 = 262/60 - 262/60 simplified gives 131/30
- So, 21/5 + 2/12 = 131/30
In mixed form: 411/30
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