Add 90/75 and 18/15
1st number: 1 15/75, 2nd number: 1 3/15
90/75 + 18/15 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
90/75 = 90 × 1/75 × 1 = 90/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
18/15 = 18 × 5/15 × 5 = 90/75 - Add the two like fractions:
90/75 + 90/75 = 90 + 90/75 = 180/75 - 180/75 simplified gives 12/5
- So, 90/75 + 18/15 = 12/5
In mixed form: 22/5
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