Subtract 21/5 from 1/54
1st number: 1/54, 2nd number: 4 1/5
1/54 - 21/5 is -1129/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
1/54 = 1 × 5/54 × 5 = 5/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
21/5 = 21 × 54/5 × 54 = 1134/270 - Subtract the two like fractions:
5/270 - 1134/270 = 5 - 1134/270 = -1129/270
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