Subtract 84/10 from 27/7
1st number: 3 6/7, 2nd number: 8 4/10
27/7 - 84/10 is -159/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
27/7 = 27 × 10/7 × 10 = 270/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
84/10 = 84 × 7/10 × 7 = 588/70 - Subtract the two like fractions:
270/70 - 588/70 = 270 - 588/70 = -318/70 - After reducing the fraction, the answer is -159/35
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