Add 15/30 and 45/25
1st number: 15/30, 2nd number: 1 20/25
15/30 + 45/25 is 23/10.
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,
15/30 = 15 × 5/30 × 5 = 75/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
45/25 = 45 × 6/25 × 6 = 270/150 - Add the two like fractions:
75/150 + 270/150 = 75 + 270/150 = 345/150 - 345/150 simplified gives 23/10
- So, 15/30 + 45/25 = 23/10
In mixed form: 23/10
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