Add 20/15 and 7/12
1st number: 1 5/15, 2nd number: 7/12
20/15 + 7/12 is 23/12.
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,
7/12 = 7 × 5/12 × 5 = 35/60 - Add the two like fractions:
80/60 + 35/60 = 80 + 35/60 = 115/60 - 115/60 simplified gives 23/12
- So, 20/15 + 7/12 = 23/12
In mixed form: 111/12
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