Add 15/5 and 18/20
1st number: 3 0/5, 2nd number: 18/20
15/5 + 18/20 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
15/5 = 15 × 4/5 × 4 = 60/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
18/20 = 18 × 1/20 × 1 = 18/20 - Add the two like fractions:
60/20 + 18/20 = 60 + 18/20 = 78/20 - 78/20 simplified gives 39/10
- So, 15/5 + 18/20 = 39/10
In mixed form: 39/10
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