Add 30/18 and 81/14
1st number: 1 12/18, 2nd number: 5 11/14
30/18 + 81/14 is 313/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126 - Add the two like fractions:
210/126 + 729/126 = 210 + 729/126 = 939/126 - 939/126 simplified gives 313/42
- So, 30/18 + 81/14 = 313/42
In mixed form: 719/42
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