Subtract 35/27 from 75/42
1st number: 1 33/42, 2nd number: 1 8/27
75/42 - 35/27 is 185/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
75/42 = 75 × 9/42 × 9 = 675/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
35/27 = 35 × 14/27 × 14 = 490/378 - Subtract the two like fractions:
675/378 - 490/378 = 675 - 490/378 = 185/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-70/27 75/84-35/27 75/42-35/54 75/42-35/81