Add 20/36 and 42/27
1st number: 20/36, 2nd number: 1 15/27
20/36 + 42/27 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
20/36 = 20 × 3/36 × 3 = 60/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108 - Add the two like fractions:
60/108 + 168/108 = 60 + 168/108 = 228/108 - 228/108 simplified gives 19/9
- So, 20/36 + 42/27 = 19/9
In mixed form: 21/9
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