Add 45/18 and 42/56
1st number: 2 9/18, 2nd number: 42/56
45/18 + 42/56 is 13/4.
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,
45/18 = 45 × 28/18 × 28 = 1260/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Add the two like fractions:
1260/504 + 378/504 = 1260 + 378/504 = 1638/504 - 1638/504 simplified gives 13/4
- So, 45/18 + 42/56 = 13/4
In mixed form: 31/4
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