Add 15/27 and 28/30
15/27 + 28/30 is 67/45.
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,
15/27 = 15 × 10/27 × 10 = 150/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
28/30 = 28 × 9/30 × 9 = 252/270 - Add the two like fractions:
150/270 + 252/270 = 150 + 252/270 = 402/270 - 402/270 simplified gives 67/45
- So, 15/27 + 28/30 = 67/45
In mixed form: 122/45
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