Subtract 54/9 from 27/7
1st number: 3 6/7, 2nd number: 6 0/9
27/7 - 54/9 is -15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
27/7 = 27 × 9/7 × 9 = 243/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
54/9 = 54 × 7/9 × 7 = 378/63 - Subtract the two like fractions:
243/63 - 378/63 = 243 - 378/63 = -135/63 - After reducing the fraction, the answer is -15/7
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