Subtract 70/75 from 35/84
35/84 - 70/75 is -31/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
35/84 = 35 × 25/84 × 25 = 875/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Subtract the two like fractions:
875/2100 - 1960/2100 = 875 - 1960/2100 = -1085/2100 - After reducing the fraction, the answer is -31/60
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