Subtract 72/15 from 25/27
1st number: 25/27, 2nd number: 4 12/15
25/27 - 72/15 is -523/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
25/27 = 25 × 5/27 × 5 = 125/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
72/15 = 72 × 9/15 × 9 = 648/135 - Subtract the two like fractions:
125/135 - 648/135 = 125 - 648/135 = -523/135
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