Add 28/40 and 25/45
28/40 + 25/45 is 113/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
28/40 = 28 × 9/40 × 9 = 252/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
25/45 = 25 × 8/45 × 8 = 200/360 - Add the two like fractions:
252/360 + 200/360 = 252 + 200/360 = 452/360 - 452/360 simplified gives 113/90
- So, 28/40 + 25/45 = 113/90
In mixed form: 123/90
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