Add 20/25 and 25/21
1st number: 20/25, 2nd number: 1 4/21
20/25 + 25/21 is 209/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
20/25 = 20 × 21/25 × 21 = 420/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
25/21 = 25 × 25/21 × 25 = 625/525 - Add the two like fractions:
420/525 + 625/525 = 420 + 625/525 = 1045/525 - 1045/525 simplified gives 209/105
- So, 20/25 + 25/21 = 209/105
In mixed form: 1104/105
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