Subtract 8/4 from 64/70
1st number: 64/70, 2nd number: 2 0/4
64/70 - 8/4 is -38/35.
Steps for subtracting fractions
- 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,
64/70 = 64 × 2/70 × 2 = 128/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
8/4 = 8 × 35/4 × 35 = 280/140 - Subtract the two like fractions:
128/140 - 280/140 = 128 - 280/140 = -152/140 - After reducing the fraction, the answer is -38/35
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