Add 21/25 and 63/64
21/25 + 63/64 is 2919/1600.
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,
63/64 = 63 × 25/64 × 25 = 1575/1600 - Add the two like fractions:
1344/1600 + 1575/1600 = 1344 + 1575/1600 = 2919/1600 - So, 21/25 + 63/64 = 2919/1600
In mixed form: 11319/1600
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