Subtract 42/5 from 7/54
1st number: 7/54, 2nd number: 8 2/5
7/54 - 42/5 is -2233/270.
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,
7/54 = 7 × 5/54 × 5 = 35/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
42/5 = 42 × 54/5 × 54 = 2268/270 - Subtract the two like fractions:
35/270 - 2268/270 = 35 - 2268/270 = -2233/270
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