Add 20/10 and 15/30
1st number: 2 0/10, 2nd number: 15/30
20/10 + 15/30 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Add the two like fractions:
60/30 + 15/30 = 60 + 15/30 = 75/30 - 75/30 simplified gives 5/2
- So, 20/10 + 15/30 = 5/2
In mixed form: 21/2
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