Subtract 50/28 from 45/54
1st number: 45/54, 2nd number: 1 22/28
45/54 - 50/28 is -20/21.
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,
45/54 = 45 × 14/54 × 14 = 630/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
50/28 = 50 × 27/28 × 27 = 1350/756 - Subtract the two like fractions:
630/756 - 1350/756 = 630 - 1350/756 = -720/756 - After reducing the fraction, the answer is -20/21
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