Add 21/25 and 21/16
1st number: 21/25, 2nd number: 1 5/16
21/25 + 21/16 is 861/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
21/25 = 21 × 16/25 × 16 = 336/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Add the two like fractions:
336/400 + 525/400 = 336 + 525/400 = 861/400 - So, 21/25 + 21/16 = 861/400
In mixed form: 261/400
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