Add 5/15 and 81/14
1st number: 5/15, 2nd number: 5 11/14
5/15 + 81/14 is 257/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
81/14 = 81 × 15/14 × 15 = 1215/210 - Add the two like fractions:
70/210 + 1215/210 = 70 + 1215/210 = 1285/210 - 1285/210 simplified gives 257/42
- So, 5/15 + 81/14 = 257/42
In mixed form: 65/42
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