Subtract 54/42 from 1/10
1st number: 1/10, 2nd number: 1 12/42
1/10 - 54/42 is -83/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
1/10 = 1 × 21/10 × 21 = 21/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Subtract the two like fractions:
21/210 - 270/210 = 21 - 270/210 = -249/210 - After reducing the fraction, the answer is -83/70
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