Add 21/25 and 9/8
1st number: 21/25, 2nd number: 1 1/8
21/25 + 9/8 is 393/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
21/25 = 21 × 8/25 × 8 = 168/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
9/8 = 9 × 25/8 × 25 = 225/200 - Add the two like fractions:
168/200 + 225/200 = 168 + 225/200 = 393/200 - So, 21/25 + 9/8 = 393/200
In mixed form: 1193/200
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