Add 28/15 and 90/25
1st number: 1 13/15, 2nd number: 3 15/25
28/15 + 90/25 is 82/15.
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,
28/15 = 28 × 5/15 × 5 = 140/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
90/25 = 90 × 3/25 × 3 = 270/75 - Add the two like fractions:
140/75 + 270/75 = 140 + 270/75 = 410/75 - 410/75 simplified gives 82/15
- So, 28/15 + 90/25 = 82/15
In mixed form: 57/15
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