Add 12/45 and 90/75
1st number: 12/45, 2nd number: 1 15/75
12/45 + 90/75 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
12/45 = 12 × 5/45 × 5 = 60/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
90/75 = 90 × 3/75 × 3 = 270/225 - Add the two like fractions:
60/225 + 270/225 = 60 + 270/225 = 330/225 - 330/225 simplified gives 22/15
- So, 12/45 + 90/75 = 22/15
In mixed form: 17/15
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