Add 15/18 and 28/90
15/18 + 28/90 is 103/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
75/90 + 28/90 = 75 + 28/90 = 103/90 - So, 15/18 + 28/90 = 103/90
In mixed form: 113/90
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