Add 54/15 and 28/12
1st number: 3 9/15, 2nd number: 2 4/12
54/15 + 28/12 is 89/15.
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,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Add the two like fractions:
216/60 + 140/60 = 216 + 140/60 = 356/60 - 356/60 simplified gives 89/15
- So, 54/15 + 28/12 = 89/15
In mixed form: 514/15
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