Add 21/25 and 18/64
21/25 + 18/64 is 897/800.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 64 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 25 × 64 = 1600,
21/25 = 21 × 64/25 × 64 = 1344/1600 - Likewise, for the 2nd fraction, since 64 × 25 = 1600,
18/64 = 18 × 25/64 × 25 = 450/1600 - Add the two like fractions:
1344/1600 + 450/1600 = 1344 + 450/1600 = 1794/1600 - 1794/1600 simplified gives 897/800
- So, 21/25 + 18/64 = 897/800
In mixed form: 197/800
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