Add 18/10 and 15/18
1st number: 1 8/10, 2nd number: 15/18
18/10 + 15/18 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
18/10 = 18 × 9/10 × 9 = 162/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
162/90 + 75/90 = 162 + 75/90 = 237/90 - 237/90 simplified gives 79/30
- So, 18/10 + 15/18 = 79/30
In mixed form: 219/30
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