Add 21/50 and 18/15
1st number: 21/50, 2nd number: 1 3/15
21/50 + 18/15 is 81/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
18/15 = 18 × 10/15 × 10 = 180/150 - Add the two like fractions:
63/150 + 180/150 = 63 + 180/150 = 243/150 - 243/150 simplified gives 81/50
- So, 21/50 + 18/15 = 81/50
In mixed form: 131/50
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