Subtract 1/42 from 45/27
1st number: 1 18/27, 2nd number: 1/42
45/27 - 1/42 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
45/27 = 45 × 14/27 × 14 = 630/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
1/42 = 1 × 9/42 × 9 = 9/378 - Subtract the two like fractions:
630/378 - 9/378 = 630 - 9/378 = 621/378 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
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