Subtract 30/27 from 72/15
1st number: 4 12/15, 2nd number: 1 3/27
72/15 - 30/27 is 166/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
72/15 = 72 × 9/15 × 9 = 648/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Subtract the two like fractions:
648/135 - 150/135 = 648 - 150/135 = 498/135 - After reducing the fraction, the answer is 166/45
- In mixed form: 331/45
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