Add 15/20 and 15/50
15/20 + 15/50 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Add the two like fractions:
75/100 + 30/100 = 75 + 30/100 = 105/100 - 105/100 simplified gives 21/20
- So, 15/20 + 15/50 = 21/20
In mixed form: 11/20
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