Add 21/12 and 20/50
1st number: 1 9/12, 2nd number: 20/50
21/12 + 20/50 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
20/50 = 20 × 6/50 × 6 = 120/300 - Add the two like fractions:
525/300 + 120/300 = 525 + 120/300 = 645/300 - 645/300 simplified gives 43/20
- So, 21/12 + 20/50 = 43/20
In mixed form: 23/20
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