Add 20/15 and 28/12
1st number: 1 5/15, 2nd number: 2 4/12
20/15 + 28/12 is 11/3.
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,
20/15 = 20 × 4/15 × 4 = 80/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Add the two like fractions:
80/60 + 140/60 = 80 + 140/60 = 220/60 - 220/60 simplified gives 11/3
- So, 20/15 + 28/12 = 11/3
In mixed form: 32/3
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