Add 20/12 and 42/36
1st number: 1 8/12, 2nd number: 1 6/36
20/12 + 42/36 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Add the two like fractions:
60/36 + 42/36 = 60 + 42/36 = 102/36 - 102/36 simplified gives 17/6
- So, 20/12 + 42/36 = 17/6
In mixed form: 25/6
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