Add 42/56 and 12/18
42/56 + 12/18 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
12/18 = 12 × 28/18 × 28 = 336/504 - Add the two like fractions:
378/504 + 336/504 = 378 + 336/504 = 714/504 - 714/504 simplified gives 17/12
- So, 42/56 + 12/18 = 17/12
In mixed form: 15/12
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