Subtract 10/7 from 63/81
1st number: 63/81, 2nd number: 1 3/7
63/81 - 10/7 is -41/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
63/81 = 63 × 7/81 × 7 = 441/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
10/7 = 10 × 81/7 × 81 = 810/567 - Subtract the two like fractions:
441/567 - 810/567 = 441 - 810/567 = -369/567 - After reducing the fraction, the answer is -41/63
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