Add 54/20 and 27/28
1st number: 2 14/20, 2nd number: 27/28
54/20 + 27/28 is 513/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
27/28 = 27 × 5/28 × 5 = 135/140 - Add the two like fractions:
378/140 + 135/140 = 378 + 135/140 = 513/140 - So, 54/20 + 27/28 = 513/140
In mixed form: 393/140
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