Subtract 30/28 from 72/54
1st number: 1 18/54, 2nd number: 1 2/28
72/54 - 30/28 is 11/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
72/54 = 72 × 14/54 × 14 = 1008/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Subtract the two like fractions:
1008/756 - 810/756 = 1008 - 810/756 = 198/756 - After reducing the fraction, the answer is 11/42
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