Add 15/90 and 28/27
1st number: 15/90, 2nd number: 1 1/27
15/90 + 28/27 is 65/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
15/90 = 15 × 3/90 × 3 = 45/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
28/27 = 28 × 10/27 × 10 = 280/270 - Add the two like fractions:
45/270 + 280/270 = 45 + 280/270 = 325/270 - 325/270 simplified gives 65/54
- So, 15/90 + 28/27 = 65/54
In mixed form: 111/54
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