Add 20/15 and 5/18
1st number: 1 5/15, 2nd number: 5/18
20/15 + 5/18 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
20/15 = 20 × 6/15 × 6 = 120/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Add the two like fractions:
120/90 + 25/90 = 120 + 25/90 = 145/90 - 145/90 simplified gives 29/18
- So, 20/15 + 5/18 = 29/18
In mixed form: 111/18
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