Add 81/14 and 42/18
1st number: 5 11/14, 2nd number: 2 6/18
81/14 + 42/18 is 341/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126 - Add the two like fractions:
729/126 + 294/126 = 729 + 294/126 = 1023/126 - 1023/126 simplified gives 341/42
- So, 81/14 + 42/18 = 341/42
In mixed form: 85/42
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