Add 20/12 and 18/20
1st number: 1 8/12, 2nd number: 18/20
20/12 + 18/20 is 77/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
100/60 + 54/60 = 100 + 54/60 = 154/60 - 154/60 simplified gives 77/30
- So, 20/12 + 18/20 = 77/30
In mixed form: 217/30
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