Add 28/72 and 45/12
1st number: 28/72, 2nd number: 3 9/12
28/72 + 45/12 is 149/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
45/12 = 45 × 6/12 × 6 = 270/72 - Add the two like fractions:
28/72 + 270/72 = 28 + 270/72 = 298/72 - 298/72 simplified gives 149/36
- So, 28/72 + 45/12 = 149/36
In mixed form: 45/36
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