Add 21/15 and 4/12
1st number: 1 6/15, 2nd number: 4/12
21/15 + 4/12 is 26/15.
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,
4/12 = 4 × 5/12 × 5 = 20/60 - Add the two like fractions:
84/60 + 20/60 = 84 + 20/60 = 104/60 - 104/60 simplified gives 26/15
- So, 21/15 + 4/12 = 26/15
In mixed form: 111/15
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