Add 54/18 and 42/56
1st number: 3 0/18, 2nd number: 42/56
54/18 + 42/56 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
54/18 = 54 × 28/18 × 28 = 1512/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Add the two like fractions:
1512/504 + 378/504 = 1512 + 378/504 = 1890/504 - 1890/504 simplified gives 15/4
- So, 54/18 + 42/56 = 15/4
In mixed form: 33/4
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