Add 40/25 and 28/45
1st number: 1 15/25, 2nd number: 28/45
40/25 + 28/45 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
40/25 = 40 × 9/25 × 9 = 360/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
28/45 = 28 × 5/45 × 5 = 140/225 - Add the two like fractions:
360/225 + 140/225 = 360 + 140/225 = 500/225 - 500/225 simplified gives 20/9
- So, 40/25 + 28/45 = 20/9
In mixed form: 22/9
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