Add 20/27 and 12/30
20/27 + 12/30 is 154/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Add the two like fractions:
200/270 + 108/270 = 200 + 108/270 = 308/270 - 308/270 simplified gives 154/135
- So, 20/27 + 12/30 = 154/135
In mixed form: 119/135
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