Add 25/9 and 21/8
1st number: 2 7/9, 2nd number: 2 5/8
25/9 + 21/8 is 389/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
25/9 = 25 × 8/9 × 8 = 200/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
21/8 = 21 × 9/8 × 9 = 189/72 - Add the two like fractions:
200/72 + 189/72 = 200 + 189/72 = 389/72 - So, 25/9 + 21/8 = 389/72
In mixed form: 529/72
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