Add 81/14 and 35/42
1st number: 5 11/14, 2nd number: 35/42
81/14 + 35/42 is 139/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
81/14 = 81 × 3/14 × 3 = 243/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
35/42 = 35 × 1/42 × 1 = 35/42 - Add the two like fractions:
243/42 + 35/42 = 243 + 35/42 = 278/42 - 278/42 simplified gives 139/21
- So, 81/14 + 35/42 = 139/21
In mixed form: 613/21
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