Add 25/4 and 21/5
1st number: 6 1/4, 2nd number: 4 1/5
25/4 + 21/5 is 209/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
25/4 = 25 × 5/4 × 5 = 125/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
21/5 = 21 × 4/5 × 4 = 84/20 - Add the two like fractions:
125/20 + 84/20 = 125 + 84/20 = 209/20 - So, 25/4 + 21/5 = 209/20
In mixed form: 109/20
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