Subtract 50/81 from 30/63
30/63 - 50/81 is -80/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
30/63 = 30 × 9/63 × 9 = 270/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
50/81 = 50 × 7/81 × 7 = 350/567 - Subtract the two like fractions:
270/567 - 350/567 = 270 - 350/567 = -80/567
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