Add 18/4 and 81/14
1st number: 4 2/4, 2nd number: 5 11/14
18/4 + 81/14 is 72/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
18/4 = 18 × 7/4 × 7 = 126/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Add the two like fractions:
126/28 + 162/28 = 126 + 162/28 = 288/28 - 288/28 simplified gives 72/7
- So, 18/4 + 81/14 = 72/7
In mixed form: 102/7
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