Subtract 20/64 from 3/10
3/10 - 20/64 is -1/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 10 × 32 = 320,
3/10 = 3 × 32/10 × 32 = 96/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
20/64 = 20 × 5/64 × 5 = 100/320 - Subtract the two like fractions:
96/320 - 100/320 = 96 - 100/320 = -4/320 - After reducing the fraction, the answer is -1/80
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