Subtract 27/80 from 42/18
1st number: 2 6/18, 2nd number: 27/80
42/18 - 27/80 is 479/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
42/18 = 42 × 40/18 × 40 = 1680/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
27/80 = 27 × 9/80 × 9 = 243/720 - Subtract the two like fractions:
1680/720 - 243/720 = 1680 - 243/720 = 1437/720 - After reducing the fraction, the answer is 479/240
- In mixed form: 1239/240
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