Subtract 3/4 from 75/70, Solve 1 5/70

Subtract 3/4 from 75/70

1^st number: 1 5/70, 2^nd number: 3/4

75/70 - 3/4 is 9/28.

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

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 70 × 2 = 140,
75/70 = 75 × 2/70 × 2 = 150/140
Likewise, for the 2nd fraction, since 4 × 35 = 140,
3/4 = 3 × 35/4 × 35 = 105/140
Subtract the two like fractions:
150/140 - 105/140 = 150 - 105/140 = 45/140
After reducing the fraction, the answer is 9/28

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