Add 81/24 and 70/30
1st number: 3 9/24, 2nd number: 2 10/30
81/24 + 70/30 is 137/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Add the two like fractions:
405/120 + 280/120 = 405 + 280/120 = 685/120 - 685/120 simplified gives 137/24
- So, 81/24 + 70/30 = 137/24
In mixed form: 517/24
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