Add 81/14 and 40/15
1st number: 5 11/14, 2nd number: 2 10/15
81/14 + 40/15 is 355/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
81/14 = 81 × 15/14 × 15 = 1215/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210 - Add the two like fractions:
1215/210 + 560/210 = 1215 + 560/210 = 1775/210 - 1775/210 simplified gives 355/42
- So, 81/14 + 40/15 = 355/42
In mixed form: 819/42
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