Subtract 3/10 from 21/64
21/64 - 3/10 is 9/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 10 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
21/64 = 21 × 5/64 × 5 = 105/320 - Likewise, for the 2nd fraction, since 10 × 32 = 320,
3/10 = 3 × 32/10 × 32 = 96/320 - Subtract the two like fractions:
105/320 - 96/320 = 105 - 96/320 = 9/320
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