Add 27/12 and 45/28
1st number: 2 3/12, 2nd number: 1 17/28
27/12 + 45/28 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
45/28 = 45 × 3/28 × 3 = 135/84 - Add the two like fractions:
189/84 + 135/84 = 189 + 135/84 = 324/84 - 324/84 simplified gives 27/7
- So, 27/12 + 45/28 = 27/7
In mixed form: 36/7
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