Add 81/18 and 70/14
1st number: 4 9/18, 2nd number: 5 0/14
81/18 + 70/14 is 19/2.
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,
81/18 = 81 × 7/18 × 7 = 567/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
70/14 = 70 × 9/14 × 9 = 630/126 - Add the two like fractions:
567/126 + 630/126 = 567 + 630/126 = 1197/126 - 1197/126 simplified gives 19/2
- So, 81/18 + 70/14 = 19/2
In mixed form: 91/2
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