Subtract 90/63 from 3/54
1st number: 3/54, 2nd number: 1 27/63
3/54 - 90/63 is -173/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
90/63 = 90 × 6/63 × 6 = 540/378 - Subtract the two like fractions:
21/378 - 540/378 = 21 - 540/378 = -519/378 - After reducing the fraction, the answer is -173/126
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