Subtract 81/75 from 4/70
1st number: 4/70, 2nd number: 1 6/75
4/70 - 81/75 is -179/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
4/70 = 4 × 15/70 × 15 = 60/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
81/75 = 81 × 14/75 × 14 = 1134/1050 - Subtract the two like fractions:
60/1050 - 1134/1050 = 60 - 1134/1050 = -1074/1050 - After reducing the fraction, the answer is -179/175
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