Subtract 27/42 from 15/10
1st number: 1 5/10, 2nd number: 27/42
1510 - 2742 is 67.
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,
1510 = 15 × 2110 × 21 = 315210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2742 = 27 × 542 × 5 = 135210 - Subtract the two like fractions:
315210 - 135210 = 315 - 135210 = 180210 - After reducing the fraction, the answer is 67
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