Add 15/25 and 81/30
1st number: 15/25, 2nd number: 2 21/30
15/25 + 81/30 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
15/25 = 15 × 6/25 × 6 = 90/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
81/30 = 81 × 5/30 × 5 = 405/150 - Add the two like fractions:
90/150 + 405/150 = 90 + 405/150 = 495/150 - 495/150 simplified gives 33/10
- So, 15/25 + 81/30 = 33/10
In mixed form: 33/10
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