Add 21/16 and 9/25
1st number: 1 5/16, 2nd number: 9/25
21/16 + 9/25 is 669/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
9/25 = 9 × 16/25 × 16 = 144/400 - Add the two like fractions:
525/400 + 144/400 = 525 + 144/400 = 669/400 - So, 21/16 + 9/25 = 669/400
In mixed form: 1269/400
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