Add 18/12 and 20/30
1st number: 1 6/12, 2nd number: 20/30
18/12 + 20/30 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Add the two like fractions:
90/60 + 40/60 = 90 + 40/60 = 130/60 - 130/60 simplified gives 13/6
- So, 18/12 + 20/30 = 13/6
In mixed form: 21/6
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