Add 15/30 and 70/25
1st number: 15/30, 2nd number: 2 20/25
15/30 + 70/25 is 33/10.
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,
70/25 = 70 × 6/25 × 6 = 420/150 - Add the two like fractions:
75/150 + 420/150 = 75 + 420/150 = 495/150 - 495/150 simplified gives 33/10
- So, 15/30 + 70/25 = 33/10
In mixed form: 33/10
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