Add 27/30 and 12/27
27/30 + 12/27 is 121/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
27/30 = 27 × 9/30 × 9 = 243/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
12/27 = 12 × 10/27 × 10 = 120/270 - Add the two like fractions:
243/270 + 120/270 = 243 + 120/270 = 363/270 - 363/270 simplified gives 121/90
- So, 27/30 + 12/27 = 121/90
In mixed form: 131/90
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