Add 81/30 and 72/25
1st number: 2 21/30, 2nd number: 2 22/25
81/30 + 72/25 is 279/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
81/30 = 81 × 5/30 × 5 = 405/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
72/25 = 72 × 6/25 × 6 = 432/150 - Add the two like fractions:
405/150 + 432/150 = 405 + 432/150 = 837/150 - 837/150 simplified gives 279/50
- So, 81/30 + 72/25 = 279/50
In mixed form: 529/50
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