Add 21/15 and 6/12
1st number: 1 6/15, 2nd number: 6/12
21/15 + 6/12 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Add the two like fractions:
84/60 + 30/60 = 84 + 30/60 = 114/60 - 114/60 simplified gives 19/10
- So, 21/15 + 6/12 = 19/10
In mixed form: 19/10
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