Add 81/14 and 72/28
1st number: 5 11/14, 2nd number: 2 16/28
81/14 + 72/28 is 117/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
72/28 = 72 × 1/28 × 1 = 72/28 - Add the two like fractions:
162/28 + 72/28 = 162 + 72/28 = 234/28 - 234/28 simplified gives 117/14
- So, 81/14 + 72/28 = 117/14
In mixed form: 85/14
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