Add 18/45 and 30/8
1st number: 18/45, 2nd number: 3 6/8
18/45 + 30/8 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
30/8 = 30 × 45/8 × 45 = 1350/360 - Add the two like fractions:
144/360 + 1350/360 = 144 + 1350/360 = 1494/360 - 1494/360 simplified gives 83/20
- So, 18/45 + 30/8 = 83/20
In mixed form: 43/20
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