Subtract 7/70 from 3/64, Solve 3/64

Subtract 7/70 from 3/64

3/64 - 7/70 is -17/320.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240

Next, find the equivalent fraction of both fractional numbers with denominator 2240
For the 1st fraction, since 64 × 35 = 2240,
3/64 = 3 × 35/64 × 35 = 105/2240
Likewise, for the 2nd fraction, since 70 × 32 = 2240,
7/70 = 7 × 32/70 × 32 = 224/2240
Subtract the two like fractions:
105/2240 - 224/2240 = 105 - 224/2240 = -119/2240
After reducing the fraction, the answer is -17/320

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