Add 81/18 and 70/30
1st number: 4 9/18, 2nd number: 2 10/30
81/18 + 70/30 is 41/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Add the two like fractions:
405/90 + 210/90 = 405 + 210/90 = 615/90 - 615/90 simplified gives 41/6
- So, 81/18 + 70/30 = 41/6
In mixed form: 65/6
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