Add 18/25 and 28/40
18/25 + 28/40 is 71/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
18/25 = 18 × 8/25 × 8 = 144/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
28/40 = 28 × 5/40 × 5 = 140/200 - Add the two like fractions:
144/200 + 140/200 = 144 + 140/200 = 284/200 - 284/200 simplified gives 71/50
- So, 18/25 + 28/40 = 71/50
In mixed form: 121/50
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