Add 1/15 and 18/45
1/15 + 18/45 is 7/15.
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,
1/15 = 1 × 3/15 × 3 = 3/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Add the two like fractions:
3/45 + 18/45 = 3 + 18/45 = 21/45 - 21/45 simplified gives 7/15
- So, 1/15 + 18/45 = 7/15
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