Subtract 42/20 from 1/64
1st number: 1/64, 2nd number: 2 2/20
1/64 - 42/20 is -667/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
1/64 = 1 × 5/64 × 5 = 5/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
42/20 = 42 × 16/20 × 16 = 672/320 - Subtract the two like fractions:
5/320 - 672/320 = 5 - 672/320 = -667/320
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