Subtract 70/64 from 1/5, Solve 1/5 - 1 6/64 as a fraction

Subtract 70/64 from 1/5

1^st number: 1/5, 2^nd number: 1 6/64

1/5 - 70/64 is -143/160.

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,
1/5 = 1 × 64/5 × 64 = 64/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
70/64 = 70 × 5/64 × 5 = 350/320
Subtract the two like fractions:
64/320 - 350/320 = 64 - 350/320 = -286/320
After reducing the fraction, the answer is -143/160

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