Add 28/45 and 21/9
1st number: 28/45, 2nd number: 2 3/9
28/45 + 21/9 is 133/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
21/9 = 21 × 5/9 × 5 = 105/45 - Add the two like fractions:
28/45 + 105/45 = 28 + 105/45 = 133/45 - So, 28/45 + 21/9 = 133/45
In mixed form: 243/45
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