Add 18/9 and 15/5
1st number: 2 0/9, 2nd number: 3 0/5
18/9 + 15/5 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
15/5 = 15 × 9/5 × 9 = 135/45 - Add the two like fractions:
90/45 + 135/45 = 90 + 135/45 = 225/45 - 225/45 simplified gives 5/1
- So, 18/9 + 15/5 = 5/1
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