Add 20/36 and 45/54
20/36 + 45/54 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 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 54 × 2 = 108,
45/54 = 45 × 2/54 × 2 = 90/108 - Add the two like fractions:
60/108 + 90/108 = 60 + 90/108 = 150/108 - 150/108 simplified gives 25/18
- So, 20/36 + 45/54 = 25/18
In mixed form: 17/18
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