Add 28/12 and 20/15
1st number: 2 4/12, 2nd number: 1 5/15
28/12 + 20/15 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Add the two like fractions:
140/60 + 80/60 = 140 + 80/60 = 220/60 - 220/60 simplified gives 11/3
- So, 28/12 + 20/15 = 11/3
In mixed form: 32/3
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