Add 18/5 and 12/45
1st number: 3 3/5, 2nd number: 12/45
18/5 + 12/45 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
18/5 = 18 × 9/5 × 9 = 162/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
12/45 = 12 × 1/45 × 1 = 12/45 - Add the two like fractions:
162/45 + 12/45 = 162 + 12/45 = 174/45 - 174/45 simplified gives 58/15
- So, 18/5 + 12/45 = 58/15
In mixed form: 313/15
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