Add 28/27 and 45/30
1st number: 1 1/27, 2nd number: 1 15/30
28/27 + 45/30 is 137/54.
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,
28/27 = 28 × 10/27 × 10 = 280/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
45/30 = 45 × 9/30 × 9 = 405/270 - Add the two like fractions:
280/270 + 405/270 = 280 + 405/270 = 685/270 - 685/270 simplified gives 137/54
- So, 28/27 + 45/30 = 137/54
In mixed form: 229/54
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