Add 15/18 and 12/45
15/18 + 12/45 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 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 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Add the two like fractions:
75/90 + 24/90 = 75 + 24/90 = 99/90 - 99/90 simplified gives 11/10
- So, 15/18 + 12/45 = 11/10
In mixed form: 11/10
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