Subtract 20/16 from 7/54
1st number: 7/54, 2nd number: 1 4/16
7/54 - 20/16 is -121/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
7/54 = 7 × 8/54 × 8 = 56/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
20/16 = 20 × 27/16 × 27 = 540/432 - Subtract the two like fractions:
56/432 - 540/432 = 56 - 540/432 = -484/432 - After reducing the fraction, the answer is -121/108
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