Subtract 70/64 from 1/7, Solve 1/7 - 1 6/64 as a fraction

Subtract 70/64 from 1/7

1^st number: 1/7, 2^nd number: 1 6/64

1/7 - 70/64 is -213/224.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448

Next, find the equivalent fraction of both fractional numbers with denominator 448
For the 1st fraction, since 7 × 64 = 448,
1/7 = 1 × 64/7 × 64 = 64/448
Likewise, for the 2nd fraction, since 64 × 7 = 448,
70/64 = 70 × 7/64 × 7 = 490/448
Subtract the two like fractions:
64/448 - 490/448 = 64 - 490/448 = -426/448
After reducing the fraction, the answer is -213/224

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