Add 12/15 and 70/25
1st number: 12/15, 2nd number: 2 20/25
12/15 + 70/25 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
12/15 = 12 × 5/15 × 5 = 60/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
70/25 = 70 × 3/25 × 3 = 210/75 - Add the two like fractions:
60/75 + 210/75 = 60 + 210/75 = 270/75 - 270/75 simplified gives 18/5
- So, 12/15 + 70/25 = 18/5
In mixed form: 33/5
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