Add 25/15 and 28/9
1st number: 1 10/15, 2nd number: 3 1/9
25/15 + 28/9 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
25/15 = 25 × 3/15 × 3 = 75/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Add the two like fractions:
75/45 + 140/45 = 75 + 140/45 = 215/45 - 215/45 simplified gives 43/9
- So, 25/15 + 28/9 = 43/9
In mixed form: 47/9
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