Subtract 7/64 from 1/20
1/20 - 7/64 is -19/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
1/20 = 1 × 16/20 × 16 = 16/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
7/64 = 7 × 5/64 × 5 = 35/320 - Subtract the two like fractions:
16/320 - 35/320 = 16 - 35/320 = -19/320
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