Subtract 75/70 from 1/4, Solve 1/4 - 1 5/70 as a fraction

Subtract 75/70 from 1/4

1^st number: 1/4, 2^nd number: 1 5/70

1/4 - 75/70 is -23/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 4 × 35 = 140,
1/4 = 1 × 35/4 × 35 = 35/140
Likewise, for the 2nd fraction, since 70 × 2 = 140,
75/70 = 75 × 2/70 × 2 = 150/140
Subtract the two like fractions:
35/140 - 150/140 = 35 - 150/140 = -115/140
After reducing the fraction, the answer is -23/28

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