Add 27/56 and 42/15
1st number: 27/56, 2nd number: 2 12/15
27/56 + 42/15 is 919/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
27/56 = 27 × 15/56 × 15 = 405/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
42/15 = 42 × 56/15 × 56 = 2352/840 - Add the two like fractions:
405/840 + 2352/840 = 405 + 2352/840 = 2757/840 - 2757/840 simplified gives 919/280
- So, 27/56 + 42/15 = 919/280
In mixed form: 379/280
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