Add 81/56 and 12/18
1st number: 1 25/56, 2nd number: 12/18
81/56 + 12/18 is 355/168.
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,
81/56 = 81 × 9/56 × 9 = 729/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
12/18 = 12 × 28/18 × 28 = 336/504 - Add the two like fractions:
729/504 + 336/504 = 729 + 336/504 = 1065/504 - 1065/504 simplified gives 355/168
- So, 81/56 + 12/18 = 355/168
In mixed form: 219/168
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