Add 81/42 and 20/14
1st number: 1 39/42, 2nd number: 1 6/14
81/42 + 20/14 is 47/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
81/42 = 81 × 1/42 × 1 = 81/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
20/14 = 20 × 3/14 × 3 = 60/42 - Add the two like fractions:
81/42 + 60/42 = 81 + 60/42 = 141/42 - 141/42 simplified gives 47/14
- So, 81/42 + 20/14 = 47/14
In mixed form: 35/14
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