Add 28/54 and 12/5
1st number: 28/54, 2nd number: 2 2/5
28/54 + 12/5 is 394/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
12/5 = 12 × 54/5 × 54 = 648/270 - Add the two like fractions:
140/270 + 648/270 = 140 + 648/270 = 788/270 - 788/270 simplified gives 394/135
- So, 28/54 + 12/5 = 394/135
In mixed form: 2124/135
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