Subtract 42/54 from 12/10
1st number: 1 2/10, 2nd number: 42/54
12/10 - 42/54 is 19/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Subtract the two like fractions:
324/270 - 210/270 = 324 - 210/270 = 114/270 - After reducing the fraction, the answer is 19/45
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