Add 20/12 and 2/5
1st number: 1 8/12, 2nd number: 2/5
20/12 + 2/5 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 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 5 × 12 = 60,
2/5 = 2 × 12/5 × 12 = 24/60 - Add the two like fractions:
100/60 + 24/60 = 100 + 24/60 = 124/60 - 124/60 simplified gives 31/15
- So, 20/12 + 2/5 = 31/15
In mixed form: 21/15
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