Add 81/6 and 2/5
1st number: 13 3/6, 2nd number: 2/5
81/6 + 2/5 is 139/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
2/5 = 2 × 6/5 × 6 = 12/30 - Add the two like fractions:
405/30 + 12/30 = 405 + 12/30 = 417/30 - 417/30 simplified gives 139/10
- So, 81/6 + 2/5 = 139/10
In mixed form: 139/10
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