Add 27/12 and 81/35
1st number: 2 3/12, 2nd number: 2 11/35
27/12 + 81/35 is 639/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
27/12 = 27 × 35/12 × 35 = 945/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
81/35 = 81 × 12/35 × 12 = 972/420 - Add the two like fractions:
945/420 + 972/420 = 945 + 972/420 = 1917/420 - 1917/420 simplified gives 639/140
- So, 27/12 + 81/35 = 639/140
In mixed form: 479/140
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