Add 28/45 and 90/25
1st number: 28/45, 2nd number: 3 15/25
28/45 + 90/25 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
28/45 = 28 × 5/45 × 5 = 140/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
90/25 = 90 × 9/25 × 9 = 810/225 - Add the two like fractions:
140/225 + 810/225 = 140 + 810/225 = 950/225 - 950/225 simplified gives 38/9
- So, 28/45 + 90/25 = 38/9
In mixed form: 42/9
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