Add 81/14 and 70/18
1st number: 5 11/14, 2nd number: 3 16/18
81/14 + 70/18 is 1219/126.
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,
70/18 = 70 × 7/18 × 7 = 490/126 - Add the two like fractions:
729/126 + 490/126 = 729 + 490/126 = 1219/126 - So, 81/14 + 70/18 = 1219/126
In mixed form: 985/126
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