Add 30/18 and 8/15
1st number: 1 12/18, 2nd number: 8/15
30/18 + 8/15 is 11/5.
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,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
8/15 = 8 × 6/15 × 6 = 48/90 - Add the two like fractions:
150/90 + 48/90 = 150 + 48/90 = 198/90 - 198/90 simplified gives 11/5
- So, 30/18 + 8/15 = 11/5
In mixed form: 21/5
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