Add 12/15 and 84/4
1st number: 12/15, 2nd number: 21 0/4
12/15 + 84/4 is 109/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
84/4 = 84 × 15/4 × 15 = 1260/60 - Add the two like fractions:
48/60 + 1260/60 = 48 + 1260/60 = 1308/60 - 1308/60 simplified gives 109/5
- So, 12/15 + 84/4 = 109/5
In mixed form: 214/5
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