Add 18/45 and 30/20
1st number: 18/45, 2nd number: 1 10/20
18/45 + 30/20 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Add the two like fractions:
72/180 + 270/180 = 72 + 270/180 = 342/180 - 342/180 simplified gives 19/10
- So, 18/45 + 30/20 = 19/10
In mixed form: 19/10
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