Subtract 63/54 from 30/28
1st number: 1 2/28, 2nd number: 1 9/54
30/28 - 63/54 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
63/54 = 63 × 14/54 × 14 = 882/756 - Subtract the two like fractions:
810/756 - 882/756 = 810 - 882/756 = -72/756 - After reducing the fraction, the answer is -2/21
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