Add 15/18 and 20/8
1st number: 15/18, 2nd number: 2 4/8
15/18 + 20/8 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
15/18 = 15 × 4/18 × 4 = 60/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Add the two like fractions:
60/72 + 180/72 = 60 + 180/72 = 240/72 - 240/72 simplified gives 10/3
- So, 15/18 + 20/8 = 10/3
In mixed form: 31/3
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