Add 20/40 and 18/25
20/40 + 18/25 is 61/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
20/40 = 20 × 5/40 × 5 = 100/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
18/25 = 18 × 8/25 × 8 = 144/200 - Add the two like fractions:
100/200 + 144/200 = 100 + 144/200 = 244/200 - 244/200 simplified gives 61/50
- So, 20/40 + 18/25 = 61/50
In mixed form: 111/50
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