Add 4/5 and 21/64
4/5 + 21/64 is 361/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 5 × 64 = 320,
4/5 = 4 × 64/5 × 64 = 256/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
21/64 = 21 × 5/64 × 5 = 105/320 - Add the two like fractions:
256/320 + 105/320 = 256 + 105/320 = 361/320 - So, 4/5 + 21/64 = 361/320
In mixed form: 141/320
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