Subtract 81/10 from 36/7
1st number: 5 1/7, 2nd number: 8 1/10
36/7 - 81/10 is -207/70.
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,
36/7 = 36 × 10/7 × 10 = 360/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Subtract the two like fractions:
360/70 - 567/70 = 360 - 567/70 = -207/70
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