Add 18/20 and 30/25
1st number: 18/20, 2nd number: 1 5/25
18/20 + 30/25 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
18/20 = 18 × 5/20 × 5 = 90/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
30/25 = 30 × 4/25 × 4 = 120/100 - Add the two like fractions:
90/100 + 120/100 = 90 + 120/100 = 210/100 - 210/100 simplified gives 21/10
- So, 18/20 + 30/25 = 21/10
In mixed form: 21/10
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