Add 7/18 and 20/15
1st number: 7/18, 2nd number: 1 5/15
7/18 + 20/15 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
20/15 = 20 × 6/15 × 6 = 120/90 - Add the two like fractions:
35/90 + 120/90 = 35 + 120/90 = 155/90 - 155/90 simplified gives 31/18
- So, 7/18 + 20/15 = 31/18
In mixed form: 113/18
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