Add 20/21 and 25/50
20/21 + 25/50 is 61/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
20/21 = 20 × 50/21 × 50 = 1000/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
25/50 = 25 × 21/50 × 21 = 525/1050 - Add the two like fractions:
1000/1050 + 525/1050 = 1000 + 525/1050 = 1525/1050 - 1525/1050 simplified gives 61/42
- So, 20/21 + 25/50 = 61/42
In mixed form: 119/42
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