Add 18/15 and 3/45
1st number: 1 3/15, 2nd number: 3/45
18/15 + 3/45 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
18/15 = 18 × 3/15 × 3 = 54/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
3/45 = 3 × 1/45 × 1 = 3/45 - Add the two like fractions:
54/45 + 3/45 = 54 + 3/45 = 57/45 - 57/45 simplified gives 19/15
- So, 18/15 + 3/45 = 19/15
In mixed form: 14/15
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